Talk:Chivalrous Thief Zelnite/@comment-30207572-20161016123220/@comment-30239106-20161023214623

Raising your SBB to level 10 unlocks both the UBB and the Extra Skill.

Equipping a Drop-Type Sphere merely enables the Parameter Boost part of that already-unlocked Extra Skill; without the correct sphere, the Extra Skill will only give " considerably raises normal hit amount & hugely boosts BB gauge each turn"