From Granblue Fantasy Wiki
|Character UnlockObtaining this weapon unlocks a character.
Drawing additional copies beyond the first will instead earn a Gold Moon.
|Minimum RankIf your Player Rank is lower than the weapon's minimum rank, its ATK and HP stats will be reduced by 20%. Weapon Skills are unaffected.||10|
|Just as rain is followed by a rainbow, the swing of this gauntlet is followed by a burst of kaleidoscopic color. All who trace its iridescent arc are sure to find hope and victory at the end.|
|Rainbow Blow||Massive earth DMG to a foe
Tank-and-Counter effect to MC until end of turn (2 hits)
Boost to DEF and hostility
|Mountain's Aegis||Medium boost to earth allies' max HP|
|Earth's Stamina||Small boost to earth allies' ATK based on how high HP is|