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Black Diamond
Fast Assassin Rogue 
Silver Hero

Black Diamond

Element: Light Light
30% vs Dark Dark units


Token → Aether
Exchange Rate:
1:10

Unlocked
Black Diamond token 0
Background
She wouldn't be recruited. Said her mission was her own. - Overlord Executum
Abilities & Traits
Swing IconBlade Storm Icon & Fast IconMartial Artist IconWeak Spot Icon
Speed Fast
Attack Range Melee/Ranged
Damage Type Physical
Epic Crusader Blade
Combat Style Swing Red Icon Gauge 7 Embarrassing Jab Icon
ThaliaPortrait Small
Black Diamond's chief weapon is surprise. Surprise and a sweet blade.
Damage Intensify Burn Icon Gauge 6 (6/9)
Toughness Hearty Taunt Icon Gauge 3 (3/9)
Utility IFF Targeting Icon Gauge 5 (5/9)
Crowd Control Crowd Control Icon Gauge 4 (4/9)
Synergy Lead By Example Icon Gauge 6 (6/9)

Statistics Max Bonus Traits Epic Base
Attack (ATK) +140% +100% (6★) - +20%
Defense (DEF) +140% +100% (6★) - +20% 1299
Skill (SKL) +100% +100% (6★) - - 1818
Max Health (HP) +160% +100% (6★) - +30% 2960
Crit Chance (CRIT) 50% +45% (SKL) - - 5%
Crit Multiplier 2x - - - 2x
Dodge Chance 0 - - - 0
Damage Penetration 0 - - - 0
Damage Reduction 0 - - - 0
Resistances
Fire Fire
Burned Icon Burned
0%
0%
Nature Nature
Poisoned Icon Poisoned
Wounded Icon Wounded
0%
0%
0%
Water Water
Frozen Icon Frozen
Chilled Icon Chilled
Cryosleep Icon Cryosleep
Frostbitten Icon Frostbitten
0%
0%
0%
0%
0%
Light Light 33%
Electrical Storm Icon Lightning
Shocked Icon Shocked
Paralysis Icon Paralysis
33%
33%
33%
Dark Dark
Diseased Icon Diseased
Banished Icon Banished
0%
0%
0%
Wand Icon Spirit
Feared Icon Feared
Stoned Stoned
Possession Icon Possessed
Blank Ability [[]]
6%
6%
6%
6%
6%

Abilities (Active) Traits (Passive)
Swing Icon Swing Fast Icon Fast
Blade Storm Icon Blade Storm Martial Artist Icon Martial Artist
Assassinate Icon Assassinate Weak Spot Icon Weak Spot
Assassin's Wrath Icon Assassin's Wrath Light Assault Icon Light Assault
Master Assassin Icon Master Assassin
Surprise Technique Icon Surprise Technique


First Ascension
Black diamond token
Second Ascension
Black Diamond token 2
Abilities & Traits

Assassinate Icon & Light Assault Icon

Abilities & Traits

Assassin's Wrath Icon & Master Assassin IconSurprise Technique Icon

Required Hero Stars and Evos

Evo Cost Index: 3090

Evo Cost Index: 4200

Epic Black Diamond
Black Diamond token 2
Epic Part 2 Part 3
Crusader Blade Wings of Fury Bladed Knuckles
Crusader Blade Wings of Fury Bladed Knuckles
If you have Black Diamond at level 50 or higher and fully ascended,
you can make this hero Epic.

Doing this raises it's Max Health/Defense/Attack by a set percentage,
as well as adding a special effect to it's Basic Attack.
Effect: Chance to deal 2x damage with a chance to buff team +50% CRIT Multiplier.
Check Epic Heroes for more information.


Black Diamond token 0 Black Diamond tokens: Normal Mode Icon x1 Challenge Mode Icon x6 + Quests Daily Quests Treasure Room Chest Treasure Room Portal Summon Gem Heroic Summon
Normal Mode Icon Main Campaign Dungeons: (1)
Chapter Lvl. Energy Icon Rooms Enemies Area Evos Boss
4-7 Icy Hollow 12 7 3 8 Ice Cave Water Evo Larva Yirishi Reborn
Challenge Mode Icon Challenge Mode Dungeons: (6)
Chapter Lvl. Energy Icon Rooms Enemies Area Evos Boss
5-5 Shogunate Fortress 5 4 Crypt Dark Evo LarvaDark Evo Amatsu Takeda
Epic Skull
9-2 Sleepless Respite 5 3 Ice Cave Water Evo LarvaWater EvoMoonlight Demora Ametryst
12-3 Past the Wall 5 6 Forest Nature Evo LarvaNature EvoNature Evo MonarchSubterranean Archmage Lumos
Epic Skull
15-6 Smoldering Trail 5 3 Lava Cave Fire EvoFire Evo Monarch Snorgal le Swine
17-4 Rune Shrine 5 5 Mountain Light EvoLight Evo Monarch Flame Master Nyx
21-4 Scarred Lands 5 4 Lava Cave Fire Evo Monarch Queen Mariel
Rune Slots: Rune slot LightRune slot LightRune slot FireRune slot NatureRune slot Water (standard)
Black Diamond has the standard rune slots for a Light Light hero.
Light Light Light Light Fire Fire Nature Nature Water Water
Rune slot Light Rune slot Light Rune slot Fire Rune slot Nature Rune slot Water
Buffs & Debuffs: Crit Up IconTenacity IconWeak Spot Icon
Crit Up Icon CRIT+ (buff):
Affected target has a boost to CRIT, increasing their chances of successfully landing a critical hit on healing or damage attacks for three turns. CRIT boost is dependant on the level of the skill. Additional application of the effect refreshes its duration.
Tenacity Icon Extra attacks (effect):
The target or allies have the chance to do an extra basic attack. This can be a result of a buff (like Haste), or granted by a trait (like Valkin's Lead By Example). There are also a few rare runes that have a passive/4th stat (20% chance for an extra attack). An extra basic attack can trigger an Epic effect (with a few exceptions like Hog Wild). Note: There is no icon for this effect. It's used on this wiki page only.
Weak Spot Icon Weak Spot (buff):
Knowledge of enemies grant enhanced CRIT damage. Increases CRIT Multiplier by +50%.
Immunities & Damage Reduction: None & None
Abilities & Traits: Swing IconBlade Storm IconAssassinate IconAssassin's Wrath Icon & Fast IconMartial Artist IconWeak Spot IconLight Assault IconMaster Assassin IconSurprise Technique Icon

Swing

Swing Icon
Basic Attack (None)

A Basic Melee Physical attack.

Blade Storm

Blade Storm Icon
Special Attack (5 turns, AoE)

Ranged Physical attack on all enemies.

Assassinate

Assassinate Icon
Special Attack (4 turns), requires Black diamond token 1st Ascension

Critical Melee Physical attack and additional attacks on random enemies for each killing blow caused during the attack.
Effects | Tenacity Icon Extra attacks

Assassin's Wrath

Assassin's Wrath Icon
Special Attack (5 turns), requires Black Diamond token 2 2nd Ascension

Buffs team +CRIT, then does a Critical Melee Physical attack.
Effects | Crit Up Icon CRIT+

Fast

Fast Icon
Trait (Passive)

Attacks first. (Heroes sharing the same Speed go in order of positioning, left to right, as chosen at the beginning of the battle.)

Martial Artist

Martial Artist Icon
Trait (Passive)

Increased CRIT (+10%) and Dodge chance (+20%).

Weak Spot

Weak Spot Icon
Trait (Passive)

Increased CRIT Multiplier by 50%. (Does not stack with the buff of the same name.)
Effects | Weak Spot Icon Weak Spot

Light Assault

Light Assault Icon
Trait (Passive), requires Black diamond token 1st Ascension

Light Allies gain Martial Artist, buffing +10% CRIT and +20% Dodge chance.

Master Assassin

Master Assassin Icon
Trait (Passive), requires Black Diamond token 2 2nd Ascension

Self and allied single target abilities deal 100% more Damage on CRITs.

Surprise Technique

Surprise Technique Icon
Trait (Passive), requires Black Diamond token 2 2nd Ascension

All Assassin allies gain a chance to apply Off-Balance on basic attacks.

Ascensions: Star1 Icon Light Evo LarvaLight EvoNature Evo LarvaValkyrie (3090) = Black diamond token + Assassinate IconLight Assault Icon &
Star3 Icon CelestialLight Evo MonarchNature Evo (4200) = Black Diamond token 2 + Assassin's Wrath IconMaster Assassin IconSurprise Technique Icon
First Ascension Second Ascension
Star1 Icon Hero Stars 1 Star3 Icon Hero Stars 3
Light Evo Larva Light Evo Larva 30x Celestial Astral Evo 4x
Light Evo Light Evo 10x Light Evo Monarch Light Evo Monarch 10x
Nature Evo Larva Nature Evo Larva 9x Nature Evo Nature Evo 30x
Valkyrie Valkyrie Evo 5x
Assassinate Icon Assassinate (Special Attack/4 Turns) Assassin's Wrath Icon Assassin's Wrath (Special Attack/5 Turns)
Light Assault Icon Light Assault (Trait/Passive) Master Assassin Icon Master Assassin (Trait/Passive)
Surprise Technique Icon Surprise Technique (Trait/Passive)
Synergies of Assassin heroes (Family): Acrobatic Technique IconAssassin Troupe IconStealth Technique IconSecret Technique IconForbidden Technique IconWarrior's Chi Icon
Black Diamond token 0 Black Diamond can get following passive buffs when teamed up with other Heroes:

Assassin Heroes get the following passive buffs:

Acrobatic Technique Icon Acrobatic Technique (Trait) by Aria token 0 Aria
Assassin allies take 25% reduced damage from melee attacks. Enemies deal 25% reduced damage while Provoked, Paralyzed, or Off-Balance.
Assassin Troupe Icon Assassin Troupe (Trait) by Aria token 0 Aria
Assassins gain +15% ATK & DEF for each Assassin ally.
Stealth Technique Icon Stealth Technique (Trait) by Masuta token 0 Masuta Kira
Assassin allies have a chance to enter Stealth (takes -50% damage until the hero's next turn) at the start of the dungeon and at the end of their action.
Secret Technique Icon Secret Technique (Trait) by Sifu token Sifu Jianzhi
All Assassin allies gain Shield Piercing on basic attacks.
Forbidden Technique Icon Forbidden Technique (Trait) by Shadowblade token 0 Shadowblade
Self and allied Assassins start dungeons with Evasion lasting 1 turn.
Surprise Technique Icon Surprise Technique (Trait) by Black Diamond token 0 Black Diamond
All Assassin allies gain a chance to apply Off-Balance on basic attacks.
Warrior's Chi Icon Warrior's Chi (Special Attack) by Sifu token Sifu Jianzhi
Heals self, then grants self and allied Assassins and Warriors +DEF, +1 Energy and Haste.
Synergies of Light heroes (Element): Avatar of Light IconLight Heart IconRighteous Follower IconSpeed of Light Team IconWill of the Wisp IconVeil of Voltage Icon
Black Diamond token 0 Black Diamond can get following passive buffs when teamed up with other Heroes:

Light Heroes get the following passive buffs:

Avatar of Light Icon Avatar of Light (Trait) by Leonidus token 0 Leonidus
Light allies are immune to Dark elemental bonuses.
Light Assault Icon Light Assault (Trait) by Black Diamond token 0 Black Diamond
Light Allies gain Martial Artist, buffing +10% CRIT and +20% Dodge chance.
Light Heart Icon Light Heart (Trait) by Zen token 0 Zen
Increase Health by [15/25]% for all Light allies depending on the rank (I/II) of this trait.
Righteous Follower Icon Righteous Follower (Trait) by Deadeye token 0 Deadeye
Do a follow-up basic attack after any attack from a Light or Honorbound ally.
Speed of Light Team Icon Speed of Light Team (Trait) by
Light team members get +15% ATK, +15% DEF, 10% chance to dodge.
Will of the Wisp Icon Will of the Wisp II (Trait) by Ekko token Ekko
Immune to Spirit, Lightning, and Light attacks. [Light allies start Dungeons with +1 extra energy]. The text in [brackets] is of rank II of this trait (I/II).
Veil of Voltage Icon Veil of Voltage (Trait) by Jin Lei token 0 Jin Lei
All Light and Honorbound Heroes gain 10% Damage Reduction and gain +1 Energy whenever they deal damage to a Shocked enemy.
Synergies of Rogue heroes (Class):
Other Synergies of Heroes: Critical Energy IconCleansing Aura IconCloak of Fire IconEyes of the Beholder IconFiery Renewal IconFire Nova IconFrost-tipped Blades IconIcy Embrace IconIFF Targeting IconImmunize IconMend IconShielding Soul IconSpread the Wealth IconTeam Energy Vault IconTeam Precision IconVenomous EmbraceShard of Darkness IconThe Calm Before Icon
Black Diamond token 0 Black Diamond can get following passive buffs when teamed up with other Heroes:

All Heroes get the following passive buffs:

Critical Energy Icon Critical Energy (Trait) by Indigo token Indigo
Grants team +1 Energy on CRITs.
Cleansing Aura Icon Cleansing Aura (Trait) by Dagrund token Dagrund Blacksmoke
Cleanses 1 Debuff on all allies at the start of this Hero's turn.
Cloak of Fire Icon Cloak of Fire (Trait) by Ember Sanguine token 0 Ember Sanguine
Allies gain immunity to burn and take 50% less damage from fire attacks.
Eyes of the Beholder Icon Eyes of the Beholder (Special Attack) by Iris token 0 Iris
Buffs team +ATK, then does a Ranged Dark attack on enemies.
Fiery Renewal Icon Fiery Renewal (Trait) by Ember Sanguine token 0 Ember Sanguine
Whenever a Burn debuff is applied to an enemy, all allies gain +5% max health.
Fire Nova Icon Fire Nova (Special Attack) by Ignus Ignus the Mad
Ranged Fire attack on all enemies, with Rage adding an additional chance to Burn. Grants team Burning Touch (chance to Burn on Basic attacks).
Frost-tipped Blades Icon Frost-Tipped Blades (Trait) by Takumi token Samurai Takumi
Grants the team a chance to Chill on Melee Physical attacks.
Icy Embrace Icon Icy Embrace (Trait) by Icebloom token 0 Icebloom
All allies heal [25/35/50]% of their maximum health when inflicted with Frozen. Enemy and ally skills inflicting Frozen on allies will trigger this effect. The gained health depends on rank (I-III) of this trait.
IFF Targeting Icon IFF Targeting (Basic Attack) by Bauble token 0 Bauble
Melee physical attack on target enemy, OR heals target friendly construct, OR target ally gains a class-specific buff (Tanks get DEF+, Healers get CRIT+ and SKL+, Casters get +1 ENERGY, all others get ATK+.)
Immunize Icon Immunize (Trait) by Zen token 0 Zen
Each ally healed will gain Impervious (Cannot be Poisoned, Burned, Frozen, Chilled, Shocked, nor Diseased) for two turns.
Master Assassin Icon Master Assassin (Trait) by Black Diamond token 0 Black Diamond
Self and allied single target abilities deal 100% more Damage on CRITs.
Mend Icon Mend (Trait) by NubNub token 0 Chief NubNub
Heal Team for [50% ATK] on CRIT. Triggers when landing a critical hit from a basic attack.
Shielding Soul Icon Shielding Soul (Trait) by Dagrund token Dagrund Blacksmoke
When killed, remaining allies gain an Aegis Shield.
Spread the Wealth Icon Spread the Wealth (Trait) by Augustus the paladin token 0 Augustus
When at full HP, this Hero heals the team for a % of his HP every turn.
Team Energy Vault Icon Team Energy Vault (Trait) by Ekko token Ekko
Self and allies are immune to Exhaustion.
Team Precision Icon Team Precision (Trait) by Pignius token 0 Pignius Maximus
Grants team +CRIT Multiplier.
Venomous Embrace Venomous Embrace (Trait) by Cobressa token 0 Cobressa
Heals allies when Venom is applied on the enemies by Cobressa. The heal amount increases with the rank (I/II) of this trait. Enemies immune to Venom prevent the heal effect.
Shard of Darkness Icon Shard of Darkness (Trait) by Craw token 0 Craw
Allies start dungeons with Foresight.
The Calm Before Icon The Calm Before (Special Attack) by Jin Lei token 0 Jin Lei
Silences all enemies and Buffs allies' Damage. This Hero gains stacks of Storm Power equal to the number of Light or Honorbound Heroes on the team. Starts Powered. (The Empowered Buff to applied to all allies and the caster to double (2x) their damage.)
Counters: Light Hunter IconAngelic IconWill of the Wisp IconDwarven Resolve IconPerfect Swing IconMaster of Combat IconProvoking Poke IconToxic Spittle IconFlesh Shredder IconIncite Doom Icon
Black Diamond token 0 Black Diamond can be countered by making use of the following traits and special attacks:

Light Heroes are vulnerable to:

Light Hunter Icon Light Hunter (Trait) by Overlord token 0 Overlord Executum
1.5x damage against Light enemies.
Angelic Icon Angelic (Trait) by Emily token 0 Archangel Emily
Impervious (Cannot be Poisoned, Burned, Frozen, Chilled, Envenomed, Shocked, nor Diseased) and starts dungeon with an [Aegis Shield].
Will of the Wisp Icon Will of the Wisp (Trait) by Ekko token Ekko
Immune to Spirit, Lightning, and Light attacks. [Light allies start Dungeons with +1 extra energy]. The text in [brackets] is of rank II of this trait (I/II).
Dodger Heroes are vulnerable to:

Dwarven Resolve Icon Dwarven Resolve (Trait) by
Dagrund token Dagrund Blacksmoke
Dhaegon Stonecrusher token icon Dhaegon Stonecrusher
Hagrim Felhorn token 0 Hagrim Felhorn
High King Valkin token 0 High King Valkin
Rogar token 0 Rogar Stonecrusher
Fiddlestrom token Therand Fiddlestrom
Cannot Miss and enemies cannot Dodge this Hero's attacks. Boosted damage against targets with a high Dodge chance.
Perfect Swing Icon Perfect Swing (Trait) by
Cannot Miss and enemies cannot Dodge this Hero's attacks.
Master of Combat Icon Master of Combat (Trait) by
Hansuke Undying token 0 Hansuke Undying
Takumi token Samurai Takumi
Armored Hero that cannot Miss or be Dodged.
Provoking Poke Icon Provoking Poke (Basic Attack) by Aria token 0 Aria
Undodgeable Melee Physical attack that Provokes target enemy.
Toxic Spittle Icon Toxic Spittle (Special Attack) by
Ranged Poison attack with a chance to Poison.
Non-Armored Heroes are vulnerable to:

Flesh Shredder Icon Flesh Shredder (Trait) by
Jabber token 0 Jabber Clenchjaw
Jibber token 0 Jibber Clenchjaw
Mangle jaw token Mangle Jaw
2x damage against non-Armored targets.
Incite Doom Icon Incite Doom (Special Attack) by Emperor Zulkodd token 0 Emperor Zulkodd
3 Melee Physical attacks on target enemy that deals 3x damage to non-Armored targets. If target dies, all other enemies' HP is set to 75% of their current HP.
Skins: (1) Black Diamond token 2Phantom Black Diamond token
Black Diamond default skinPhantom Black Diamond skin

Uses in PVP

Black Diamond guaranteed crit

Assassinate lands a guaranteed CRIT.

Put her in the first slot/make her move first in both PVP offence and defence so she can use her Blade Storm Icon Blade Storm as soon as possible. Not making her have her turn first gets her risked being stabbed in the back and killed by Shadowblade token 0 Shadowblade, or shot by Willow token 0 Willow Swift if she cannot dodge the arrow with help of Agile Icon Agile .

Notes and Tips

Her 2nd and 3rd special attacks, Assassinate Icon Assassinate and Assassin's Wrath Icon Assassin's Wrath , guarantee a CRIT even when Black Diamond is diseased (normally the Diseased debuff blocks the chance to land critical hits).

Gallery

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