Just like Starstones, Elemental Stones are materials used to ascend Astromons of the same Element as the stone. All Astromons can be ascended. Ascending Astromons improves skills at the 3rd and 5th 
, increases base stats and increases the maximum level. To ascend Astromons past 3, Elemental Stones are needed.
There are three types of Elemental Stones for each Element: Low, Mid and High. Elemental Stones are obtainable mainly from the Elemental Dungeons but also from the Shady Shop.
| Element | <Low>
Elemental Stone |
<Mid>
Elemental Stone |
<High>
Elemental Stone |
Elemental Dungeon |
|---|---|---|---|---|
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Fire Dungeon
Opened on Tuesday |
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Water Dungeon
Opened on Wednesday |
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Wood Dungeon
Opened on Thursday |
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Light Dungeon
Opened on Friday |
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Dark Dungeon
Opened on Monday |