• Sunken Tower
• Entrance, inside Dimensional Library
• Level 210+ to enter
• Solo instance
• 1 day cool down
• 60 minutes instance time

The ancient endless tower is sinking, with water filling its halls.

All monsters have evacuated, leaving only the bosses behind, who are now weaker than their original forms.

200 Chrono Coin S

10 Echo Scripture S

5 Netherglass

The bosses are randomly spawned on each floor.

They all share the same drops.

S Orc Hero, S Maya, S Orc Lord, S Golden Thief Bug, S Eddga, S Osiris, S Amon Ra, S Phreeoni, S Dracula, S Doppelganger, S Mistress, S Moonlight Flower, S Lady Tanee, S Baphomet, S Kublin, S Pharaoh

S Drake, S Stormy Knight, S Boitata, S Leak, S Lord of the Dead, S Dark Lord, S Gopinich, S Bacsojin, S Garm, S Ktullanux, S Thanatos, S King of the Alley, S Incantation Samurai, S RSX-0806, S Evil Snake Lord

S Turtle General, S Tao Gunka, S Atroce, S Bijou, S Nidhoggur's Shadow, S Kraken, S Kiel D-01, S Vesper, S Captain Ferlock, Casual Pope, S Lost Dragon, S Detale, S Fallen Bishop, S Gloom Under Night

S Awakened Ferre, S Gold Queen Scaraba, S Pyuriel, S Egnigem Cenia, S Valkyrie Randgris, S General Daehyun, S Kades, S Charleston 3, S Amon Ra, S Ifrit, S Gioia, S Beelzebub, S Buwaya, S Faceworm Queen

S Green Faceworm Queen, S Yellow Faceworm Queen, S Red Faceworm Queen, S Blue Faceworm Queen, S Grim Reaper Ankou, S Stefan.J.E.Wolf, S Celine Kimi, S Muspellskoll, S Brinaranea, S T_W_O

S Time Holder, S Demigod, S Despair God Morocc, S Wounded Morocc, S Nightmare Baphomet, S Amdarias, S Amdarias, S Corrupted Soul, S Corruption Root, S Fenrir, S Sarah Irene, S Nameless Swordsman

S Corrupt Spider Queen, S Contaminated Dark Lord, S YSF01 Seyren, S Cursed King Schmidt, S EL-A17T, S Miguel, S Heart Hunter Ebel, S Pet Child