How do boss drops work?

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Boss drops come as random boxes: you need at least 10% of the damage on the boss for a chance at the box. Bosses spawned from a Chaos Stone carry every boss drop as well.
The forum's boss list and its respawn list give different times for a few bosses; the tables show both values side by side with a slash.
On OldSchoolKO the Eslant bosses respawn every 4 to 8 hours and most Colony Zone bosses every 3 to 6 hours. The strongest accessory boss is Isiloon in Hell Abyss.
Moradon, El Morad and Luferson bosses
| Boss | Map | HP | Respawn | Drops |
|---|---|---|---|---|
| Kekurikekukaka | Moradon | 40,930 | 4-6 h | Kekuri Ring, Kekuri Belt |
| Antares | Luferson, El Morad | 23,010 | 5-8 h | Scorpion Scythe, 35 Mage Spells |
| Hyde | Luferson, El Morad | 17,790 | 5-8 h | Sword of the Death |
| Atilla | Luferson, El Morad | 79,650 | 5-8 h | Priest, Warrior and Elemental Pendant |
| OSKO Stone | Luferson, El Morad, Eslant | — | 1-3 / 1-4 h | Random boss |
Atilla's coordinates in Luferson and El Morad are posted in a separate forum thread.
Eslant bosses and accessory drops
| Boss | HP | Respawn | Drops |
|---|---|---|---|
| Dragon Tooth | 76,380 | 4-8 / 3-6 h | Dragon Tooth Hammer |
| Shaula | 94,485 | 4-8 h | Tail of Shaula, Scorpion Bow, Scorpion Shield |
| Samma | 134,370 | 4-8 h | Giant Axe, Giant Axe 2h |
| Talos | 253,025 | 4-8 h | Belt of Accessory |
| Troll King | 258,216 | 4-8 h | Earring of Accessory |
| Deruvish Founder | 101,129 | 4-8 h | Ring of Accessory |
| Harpy Queen | 247,121 | 4-8 h | Earring of Accessory |
| Snake Queen | 250,072 | 4-8 h | Necklace of Accessory |
If you farm accessories, go to Eslant: Talos drops a belt and Snake Queen a necklace, Troll King and Harpy Queen drop earrings and Deruvish Founder a ring. Teleporting to Eslant needs level 60.
Colony Zone bosses
| Boss | HP | Respawn | Drops |
|---|---|---|---|
| Lobo | 77,790 | 3-6 h | Lobo Pendant, Lobo Hammer, Lobo Staff |
| Lupus | 78,061 | 3-6 h | Lupus Pendant, Lupus Hammer, Lupus Staff |
| Lycaon | 74,298 | 3-6 h | Lycaon Pendant, Lycaon Hammer, Lycaon Staff |
| Lesath | 95,971 | 3-6 h | Tail of Lesath, Chitin Bow |
| Barkirra | 76,303 | 3-6 h | Fang of Barkirra, Sword of Beast |
| Orc Bandit Leader | 97,348 | 4-8 h | Holy Water of Temple |
| Barrk | 29,155 | 3-6 h | Tooth, High Class item |
| Duke | 59,157 | 3-6 / 3-8 h | Ring of Courage |
| Bach | 60,022 | 3-6 / 3-8 h | Ring of Life |
| Bishop | 57,547 | 3-6 / 3-8 h | Ring of Magic |
| Javana | 44,520 | 3-6 h | Javana Axe, Javana Axe 2h |
| Bone Collector | 32,127 | 3-6 h | Skull Hammer |
The Eslant bosses also appear in Colony Zone: Talos, Troll King, Snake Queen, Harpy Queen, Deruvish Founder, Shaula and Samma come back every 7 to 8 hours there. The Chaos Stone respawns every 3 hours.
On 23 June the drop rates of Fang of Bakirra, Lobo Pendant and Holy Water of Temple went up.
Where is Isiloon and what does it drop?
Isiloon lives in Hell Abyss with 275,000 HP and 1,732 DEF, the strongest boss on the list. It drops earrings, necklaces, belts and rings of accessory; the boss list gives 8 to 12 hours for its respawn and the respawn list gives 8 hours.



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