from Terraria, goblins spawn continuously in waves attacking opponent and their town until a lot of them are killed or they win. Only if 120 goblins are slain they will retreat. the goblin army consists of 5 types of goblins led by a powerful flying goblin who summons shadowflame apparitions and powerful chaos balls. the army has peons, archers, sourcerers, warriors, thieves.if ransack success they win