Stats for both bosses

TREE BOSS and War Monument mob pages
FieldTREE BOSS (9231)War Monument (9084)
Level 60 80
Damage
HP 5,215,632 2,800,000
AC 2,400 2,500
Coins 96
Main drop Silver Bar Silver Bar, 5,500 KC Voucher
Group drop 14 items 15 items

Each name has a single record in the database. The similarly named El Morad Monument and Karus Monument (4059, 4060, 4066, 4067) are separate records with 70,000 HP and empty drop lists.

Full group drop lists

TREE BOSS and War Monument group drops by type (all plain, not +1)
TypeTREE BOSS (9231)War Monument (9084)
Rings Ring of Life, Ring of Magic, Ring of Courage Ring of Life, Ring of Magic, Ring of Courage
Earrings Warrior, Cleric, Mage, Rogue Earring Warrior, Cleric, Mage, Rogue Earring, Lillimes Earrings, Leech Kings Earrings
Pendants Warrior Pendant, Elemental Pendant, Priest Pendant Warrior Pendant, Elemental Pendant, Priest Pendant
Belts Elf Belt, Skeleton Belt Elf Belt, Skeleton Belt
Shield Scorpion Shield Scorpion Shield
Material Spell Stone Powder —

That shared 13-item pool also shows up on plenty of other mobs, including Lesath, Shaula, Duke, Bach, Dragon Tooth and [PARTY] Rampage Orc. For +1 accessories you want Worm, Yellow Sand, Pidama, Isiloon (5551) or Felankor (7035) instead.

War Monument: the 5,500 KC Voucher

Only three mob records drop a 5,500 KC Voucher as a main item: Isiloon (5551), Felankor (7035) and War Monument (9084). The PUS sells the same 5,500 KC Voucher for 6,050 KC. War Monument's 15-item group list is identical to Ultima (6551); only the main drops differ.

TREE BOSS: Spell Stone Powder

47 mob records on the site drop Spell Stone Powder, and TREE BOSS has the most HP of any of them (5,215,632). Spell Stone Powder is what skill quests ask for: 5 for the 70 quest, 7 for 72, 10 for 75 and 15 for 80.

The forum's skill guide (March 30, 2025) points to Havoc, Cruel, Enigma and Hellfire in Ronark Land (10%), Chaos Stone (100%), Draki Monster (1%) and Monster Stone (1–5%) for powder. TREE BOSS isn't in that table; it only shows up in the group list on its mob page.

FAQ

Where does TREE BOSS spawn?
The site doesn't list it. There's no zone or timer on the mob page, and BianKO's news posts never mention TREE BOSS.
How much KC does War Monument give?
Its main drop list has a single 5,500 KC Voucher entry. The page doesn't say how many drop or how often.
Which one has more HP?
TREE BOSS, with 5,215,632 HP, almost double War Monument's 2,800,000. Oddly, TREE BOSS is listed at level 60 and War Monument at level 80.
Do War Monument and Ultima drop the same thing?
Same group pool, different main drops. Ultima (6551) gives Switching Premium and Silver Bar, War Monument gives Silver Bar and a KC voucher.

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