Ninjas, bonds, skills and related things
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1. Ninja info

- Stars: ninjas range from 1 to 5 stars. More stars mean higher stats.
- Level: from 1 to 60, raised by fusing other ninjas as fuel.
- Stats: Atk (attack) and Def (defense). When your team attacks, a ninja's HP is its Atk; when defending, its HP is its Def.
- Attribute: Wind, Lightning, Earth, Water, Fire; can evolve into Super and Kage (see the Attribute and the Super/Kage guides).
- Equipment: each ninja carries 1 attack weapon and 1 defense weapon.
2. Bonds
Some ninjas share a "bond" with other ninjas, weapons or Tailed Beasts. When you line up the right ninjas/items, the ninja gains extra percent Atk/Def or skill power. Tap a ninja to see its bond lines and the condition of each. Examples: Team 7, the Uchiha brothers, Naruto + Rasengan.

3. Skills

- Each ninja has 0, 1 or 2 skills, ranked from D up to S. The higher the rank, the higher the chance it triggers in battle.
- Tap a skill to see its trigger chance and effect.
- Yellow gems and Tailed Beasts increase skill chance/power.
4. Common skill types
- Life steal: drains the opponent's HP.
- Atk/Def reduction: lowers the opponent's stats.
- Atk/Def boost: raises your own stats.
- Revive: brings back a fallen ninja.
- Skill resistance: a chance to be immune to the opponent's skill.
- Death skill: takes an enemy ninja down with it when the ninja falls.