The boss room is located at the north exit of Thais.

the rewards for each boss are as follows:

Boss Room Level 80:

Common

Rare

 Darkness Hat : + 2 magic level

Witcher Hat : + 2 magic level

Robe of the witcher: + 2 magic level

Darkness robe: + 2 magic level

Terra helmet: + 2 Skill (Axe, Club and Sword)

Falcon coif: + 2 Skill (Axe, Club and Sword)

Ornate chestplate: + 3 Skill (Axe, Club and Sword)

Falcon Plate: + 3 Skill (Axe, Club and Sword)

Dark whispers: + 2 Skill Distance

Elite draken helmet: + 2 Skill Distance

Ghost chestplate: + 3 Skill Distance

Master archer's armor: + 3 Skill Distance

Very rare

Mycological bow : only by Sorcerer and druid lvl 80+

Steeleye crossbow: +3 attack and 5 range

Darkness basher: Attack: 44 Def: 25

Mystic blade: Attack: 44 Def: 25

Heroic axe: Attack: 44 Def: 25

Scroll of outfit

Boss Room Level 120

Common

Rare

Blue Legs: + 2 magic level

Darkness Legs: + 2 magic level

Falcon greaves: +2 skill (axe, club and sword)

Ornate legs: +2 skill (axe, club and sword)

yalahari leg piece: + 2 skill Distance

Bast legs: + 2 skill Distance

Soulbleeder: only by Sorcerer and druid lvl 80+

Soulpiercer: + 5 attack and 6 range

Soulshredder: Attack: 52 Def: 20 (two handed)

Souleater: Attack: 52 Def: 20 (two handed)

Soulmaimer: Attack: 52 Def: 20 (two handed)

Spellbook of lost magic: + 3 magic level

Very rare

Robe of the underworld: increases damage by 8% Sudden Death Rune.

Hat of the underworld: increases damage by 8% Sudden Death Rune.

Flaming robe: increases damage by 15% Great Fireball Rune

Flaming hat: increases damage by 15% Great Fireball Rune

Skullcracker armor: increases damage by 8% berserker

Skullcracker helmet: increases damage by 8% berserker

Prismatic armor: increases damage by 8% Ethereal Spear

Prismatic legs: increases damage by 8% Ethereal Spear

Scroll of outfit

Boss Room Level 120

Common

Rare

Soulshroud: + 4 magic level

Soulshanks: + 4 magic level

Arcanomancer regalia: + 3 magic level

Alicorn headguard: + 4 skill distance

Soulshell: +4 skill distance

Sanguine greaves: + 4 skill distance

Spiritthorn armor: + 4 skill (axe, club and sword)

Spiritthorn helmet: + 4 skill (axe, club and sword)

Sanguine legs: + 4 skill (axe, club and sword)

Very rare

Soulbastion: protects 10% of all damage

Falcon escutcheon: protects 10% of all damage

Arcanomancer Spellbook: + 6 magic level

Arboreal spellbook: + 6 magic level

Grand sanguine crossbow: attack +9 range 6

Grand sanguine bow: only by Sorcerer and druid lvl 80+

Grand sanguine blade: Attack: 58 Def: 40

Grand sanguine cudgel: Attack: 58 Def: 40

Grand sanguine hatchet: Attack: 58 Def: 40

Scroll of outfit