From Granblue Fantasy Wiki
- The bonus damage is considered skill damage, so it is affected by Skill DMG Cap Boosted effects and not Charge Attack DMG Cap Boosted effects.
- At skill level 15, this weapon skill grants a 15% boost to skill damage cap to Fire allies. The cap is 40%.
- Stacks additively with the Ultima Weapon skill to a maximum total of 90% skill damage cap up.
- Stacks with Skill DMG Cap UpCan deal big bonus DMG when Skill DMG dealt in one turn reaches a certain amount
. For example with Tien's C.A. buff, Ultima weapon and 3 Ushumgal the total skill damage cap up is 110%.
- ↑ http://gbf-verification.blog.jp/archives/13696737.html
- ↑ https://kamigame.jp/グラブル/武器/SSR/ウシュムガル.html