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Blood Castle — MU Online Event Guide Season 20+ Blood Castle is a timed party event. The spirit of the Archangel and its sacred weapon have been sealed inside the castle. Your job is to fight through the monsters, break the gate, destroy the guardian statue, and return the Archangel's Weapon — all before the clock runs out. Event Rules Early finish allowed Yes Minimum time before finishing 5 minutes (300 seconds) Monster respawn time 10 seconds Monsters to kill (per player) 40 — needed to drop the bridge Entry window 5 minutes after the event opens Play time 15 minutes Experience multiplier x2 (all stages) Opening Times The event runs every 2 hours, on the half-hour: 01:30 03:30 05:30 07:30 09:30 11:30 13:30 15:30 17:30 19:30 21:30 23:30 How to Enter Craft a Cloak of Invisibility. Combine a Scroll of Archangel and a Blood Bone of the same level with a Jewel of Chaos at the Chaos Goblin Machine. The cloak's level decides which Blood Castle stage you enter. Both ingredients drop from monsters across the maps. Use an Invitation to enter directly at the stage matching your level. With a Cloak or invitation ready, talk to the Messenger of Archangel in Devias or Event Square during the entry window. Objectives Kill the required monsters (40 per player) to make the bridge fall. Destroy the Castle Gate. Kill the required number of Magic Skeletons. Destroy the Statue of Saint — it drops the Archangel's Weapon. Pick up the weapon and deliver it to the Archangel at the start of the map to clear the event. Rewards x2 experience inside, plus a completion bonus that scales with the time remaining — finish faster for more. Every surviving player receives a Jewel of Chaos on completion. Stages, Entry Levels & HP Stage Level Range Statue HP Gate HP Blood Castle 1 50 – 399 500,000,000 500,000,000 Blood Castle 2 400 – 799 600,000,000 600,000,000 Blood Castle 3 800 – 999 700,000,000 700,000,000 Blood Castle 4 1,000 – 1,199 800,000,000 800,000,000 Blood Castle 5 1,200 – 1,399 900,000,000 900,000,000 Blood Castle 6 1,400 – 1,599 3,000,000,000 3,000,000,000 Blood Castle 7 1,600 – MAX 5,100,000,000 5,100,000,000 Monsters by Stage Each stage has the same five general monster types plus a Magic Skeleton boss, scaled up by tier: Monster BC1 BC2 BC3 BC4 BC5 BC6 BC7 Chief Skeleton Warrior Level / HP 56 5,000 64 7,500 70 12,000 76 17,000 85 23,000 110 50,000 114 13,213,500 Chief Skeleton Archer Level / HP 61 6,500 69 9,500 75 15,000 86 25,000 87 26,000 112 53,000 117 13,213,500 Dark Skull Soldier Level / HP 66 8,000 75 12,000 80 19,000 81 20,000 90 32,000 118 57,000 125 13,224,000 Giant Ogre Level / HP 70 9,500 79 15,000 85 23,000 90 32,000 93 37,000 120 62,000 129 13,248,000 Red Skeleton Knight Level / HP 74 12,000 82 18,000 87 26,000 94 38,000 98 45,000 127 70,000 132 13,248,700 Magic Skeleton (Boss) Level / HP 79 15,000 84 24,000 90 32,000 99 47,000 102 55,000 135 80,000 140 13,245,000