Ordeal of Iron

Ordeals of Iron: The survival rate was 0% and is run by Ohm. Ohm uses his sword to try to slash someone's heart. If it hits, the person will instantly die.

This was the last ordeal in Skypiea arc and only Chopper and later Zoro was involved in the game.

This ordeal has a White-Barbed Iron with thorns sticking out.