Evos are used to ascend your Heroes. One Ascension requires few different Evos and varying amounts of each. Single colored Evos can be found in almost every dungeon and almost always appear, whereas double colored Celestial Evos (called Celestial class materials) only appear in select dungeons and have a very low chance of appearing.
The Crypt Evo is needed 65 times to fully ascend all 18 Heroes currently in the game that use this Evo.
You can buy this Evo for 800 gems. On the Ascension tab of the Hero's profile you can tap the Evo to see in which dungeon it is available and to buy it for gems. 
Check out the PWN Shop and Honor Shop for more daily offers! (No gems needed)
Dungeons[]
If you're lucky you can find this 
Crypt Evo in the following Dungeons. In campaign dungeons Celestial Evos are rare and hard to find. Some Rare Celestial Evos (those for 800 gems) are even harder to find!
Visit Evo Island to collect these rare and shy beings, Boss!
| Chapter | Dungeon Name | Token(s) | Evos |
|---|---|---|---|
| 11-7 | Lair of the Lich | 
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| 14-3 | Scorched Ice | 
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| Evo Island 1 to 5 (  Dark)
|
Plagued Island (Evo Island on Monday) |
         
| |
| Evo Island 1 to 5 (  Fire)
|
Scorched Island (Evo Island on Wednesday) |
        
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Combining[]
You can craft Evos in the Craft menu. This Evo can be combined using the following materials:
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Fire Evo Monarch | 20 |
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Dark Evo Monarch | 20 |
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Moonlight Evo | 2 |
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Gold | |
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Gems | 70 |
Ascensions used for[]
This Evo is needed to ascend the following Heroes:
| Token | Hero | Ascension 1 | Ascension 2 |
|---|---|---|---|
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Agnon | x4 x28 x42 x6 | |
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Alrakis Skullkeeper | x8 x8 x8 x8 | |
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Balog the Loud | x4 x30 x8 x10 |
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Cobressa | x2 x18 x40 x12 |
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Emperor Zulkodd | x5 x40 x60 x8 | |
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Hagrim Felhorn | x2 x11 x45 x15 |
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Ignus the Mad | x1 x5 x12 x40 |
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Iris |  x8 x2 x45 x30 | |
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King Yorick | x4 x30 x10 | |
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Life Reaper Brom | x1 x16 x47 x5 |
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Lord Zomm | x3 x7 x32 x18 |
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Malice | x3 x32 x7 x18 |
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Pontifex Mortis | x2 x16 x47 x5 |
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Spitfire | x2 x8 x30 x30 | |
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Underlord Thraxx | x4 x30 x20 x6 |
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Undine | x4 x6 x20 x30 |
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Vulcan | x4 x20 x30 x6 |
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Yan Luo | x5 x2 x15 x30 |