“...Now for your next challenge. You must defeat me!”
When Mario and Luigi met Hoohooros, the stone idol tested the brothers' ability to use the Spin Jump technique through a timed minigame, the goal of which was to get 10 glowing energy balls within the time limit (30 seconds) without falling onto the ground. The Mario brothers easily completed the challenge, and in a last attempt to stop them, the brothers had to fight the stone guardian himself.
Hoohooros immediately creates pillars that he hides behind at the start of the battle. The brothers must destroy the pillar that he is not hiding beneath, then the one protecting Hoohooros. He will attempt to move to the other pillar, and becomes confused when it is not there. The brothers must quickly attack Hoohooros, as pillars will quickly begin to respawn. Hoohooros' only attack is to fire a laser beam that sweeps across the ground. The brothers must jump over it one at a time. The pillars also join in on the battle, firing lasers at a singular Bro. After being defeated, the stone guardian relents and allows the brothers to journey to the summit.
Hoohooros apparently speaks the ancient language of Hooroglyphy.
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