Bowler
Iwao[1] (岩男) are enemies in Wario Land 4 that only appear in the level Fiery Cavern. They are pudgy but powerful humanoid creatures. Iwao regularly summon big spherical rocks and throw them in the direction of Wario. The rocks roll along the ground and will hurt Wario when they overrun him and eventually shatter when they roll against a wall. Wario is not able to destroy the rocks by himself, but he won't be hurt if he jumps on them. Shortly after a rock has disappeared from the screen, an Iwao will summon a new one. When not throwing a rock, they simply move back and forth within a small area and can't hurt Wario by themselves. However, Iwao are immune to most of Wario's attacks and will only stop for a short moment when he touches them. The treasure hunter can only defeat an Iwao by doing a Ground Pound on it, afterwards Wario will be rewarded with a Silver Coin.
When Wario jumps on the Frog Switch in the level and the temperature radically changes, the Iwao will become Yukiotoko, implying that these enemies are related.
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