Yimoku Ateru is one of the world bosses that appeared during the Easter Egg Hunting 2011 event. He is a one-eyed demon pig.
- (Forward stomp): Deals damage and inflict Stun for 2 turn
- (Earth fissure): Deals damage and inflict Weaken to all players if the attack hits the main player.
- (Forward stomp): Deals damage.
- (Enlarge and stomp foward): Inflict Stun for 3 turns.
- (Horn bash): Deals damage.
-Every amount of damage/heals depends on level.