Boosts Bug-type moves by 1.2x, or 1.5x when under 1/3 HP.
Immune to added move effects, hazards, and powder moves.
Blocks weather damage and powders. Takes -20% special damage.
30% chance to heal its status condition at the end of a turn.
Immune to critical hits. Takes 20% less damage from attacks.
Boosts SpDef +1 when hit. Maxes SpDef on crit.