The Seadrus mob has x10 (20 health), just like us. He always spawns with Health Boost XXXXV (45), gaining 180 hearts (equivalent to the Ender Dragon's Health). He will use his sword to attack, and, every minute, he will explode, losing ten hearts. The explosion is equivalent to twenty TNTs going off. Every two minutes, Seadrus will stop, and raise his hands. He will summon apx. twenty creepers, and will not explode the next minute.