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 Light Evo Larva is needed 413 times to fully ascend all 19 Heroes currently in the game that use this Evo.
You can buy this Evo for 10 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 
Light Evo Larva 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 |
|---|---|---|---|
| 1-6 | Bramblelurk Keep | 
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| 2-6 | Mage Tower | 
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| 3-5 | Stonehelm Citadel | 
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| 4-5 | Mercenary Fortress |
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| 6-4 | Forsaken Keep |
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| 7-3 | Supply Route | 
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| 9-3 | The Black Fortress | 
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| 9-5 | Unholy Capitol | 
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| 10-4 | Cursed Tower |
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| 11-3 | Defiled Sanctuary | 
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| 11-5 | Plagued Sewers | 
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| 11-7 | Lair of the Lich | 
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| 12-6 | The Arena | 
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| 14-6 | The Vault |
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| 14-8 | Emperor's Palace |
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| Evo Island 1 to 5 (  Light)
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Sunbathed Island (Evo Island on Friday) |
    
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Combining[]
You can craft Evos in the Craft menu. This Evo cannot be obtained via combining.
Ascensions used for[]
This Evo is needed to ascend the following Heroes:
| Token | Hero | Ascension 1 | Ascension 2 |
|---|---|---|---|
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Abigail the Brutal |  x15 x5 x5 |
x4 x10 x15 |
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Archangel Emily | x32 x12 x11 x5 |
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Augustus | x2 x10 x25 x5 |
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Black Diamond | x30 x10 x9 x5 |
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Bovus El Doro | x5 x15 x5 |
x4 x15 x11 |
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Ekko | x30 x9 x10 x5 |
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Jabber Clenchjaw | x4 x12 x4 |
x15 x4 x7 |
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Jibber Clenchjaw | x15 x25 x4 x20 |
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King Yorick | x5 x11 x32 x11 |
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Leonidus | x12 x28 x15 x2 |
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Lupina | x12 x4 x4 |
x7 x15 x4 |
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Masuta Kira |  x1 x5 x35 x20 |
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Nitpick | x14 x5 x5 |
x9 x4 x15 |
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Rocky the Shiitake |  x5 x8 x25 x8 |
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Rogar Stonecrusher | x8 x4 x15 | |
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Selwyn the Enduring | x5 x15 x5 |
x15 x4 x10 |
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Stone Fist | x2 x5 x2 |
 x4 x15 x8 |
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Willow Swift | x2 x5 x2 |
x4 x15 x7 |
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Zen | x2 x12 x32 x14 |