Blue Moon is a Hard mode Event that has 15% chance to summon each time player uses Time scepter to turn day into night. During this event,moon and sky will have bluish color,and there will be new type of projectiles that look like a smaller version of fallen star that come from the sky,and are aimed on player. They do 200 damage each. During Blue Moon,all enemies will have much more health and damage,and will spawn in bigger groups (like harder version of Blood Moon),and even some Hard Mode bosses that player has already killed have chances to spawn. Finally, NPC World cleaner will appear to be in hibernation during this event,so player can steal Galaxy in a bottle to summon Corrupted Seasons event. Blue Moon will last until night is finished and Sun rises.
Enemies[]
All normal enemies will spawn,witch chances of Hard mode bosses that player has already defeated.
Drops[]
All monsters and Bosses during this event have chances to drop 4 different types of weapons (one for each class).