Starstones are materials used to ascend Astromons. All Astromons can be ascended. Ascending Astromons improves skills at 3rd and 5th Star, increases base stats and increases the maximum level. To ascend Astromons, Starstones are needed.

There are three types of Starstones: Low, Mid and High. Starstones are obtainable mainly from the Starstone Dungeon but also from the Shady Shop.

<Low> Starstone <Mid> Starstone <High> Starstone
Starstone Low Starstone Mid Starstone High

Read more about Ascension here.

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