Thread:Indegno/@comment-5918964-20150718142606/@comment-24276510-20150719090724

You have to use (through Power Up) manuals with the character showed on it. So Gum-Gum Balloon Manual with Monkey D. Luffy Gum-Gum Balloon. Manuals let you to level up the character skill at very low successful rate so you need many to max your character skill.