What drops in The Blighted Sanctum (East Wing — Prison of the Ancients)

Drycrown the Ancient, Sleeping Protector

Level 36; items per kill: 2–3.

• Waist (Drycrown the Ancient, Sleeping Protector) — Epic, item level 120 — ≈ 13%
• Dagger (Drycrown the Ancient, Sleeping Protector) — Epic, item level 120 — ≈ 12%
• Plate Shoulders — Rare, item level 120 — ≈ 31%
• Cloth Vestments — Rare, item level 120 — ≈ 29%
• Amulet (Drycrown the Ancient, Sleeping Protector) — Rare, item level 120 — ≈ 29%
• Relic (Drycrown the Ancient, Sleeping Protector) — Rare, item level 120 — ≈ 28%
• Mail Helm — Rare, item level 120 — ≈ 28%
• Leather Leggings — Rare, item level 120 — ≈ 27%
• Shield (Drycrown the Ancient, Sleeping Protector) — Rare, item level 120 — ≈ 27%
• Leggings (Drycrown the Ancient, Sleeping Protector) — Rare, item level 120 — ≈ 27%

Rotbloom the Sporeling, Devourer of Roots

Level 39; items per kill: 2–3.

• Ring (Rotbloom the Sporeling, Devourer of Roots) — Epic, item level 130 — ≈ 22%
• Greataxe (Rotbloom the Sporeling, Devourer of Roots) — Epic, item level 130 — ≈ 20%
• Mail Boots — Rare, item level 130 — ≈ 43%
• Staff (Rotbloom the Sporeling, Devourer of Roots) — Rare, item level 130 — ≈ 43%
• Bracers (Rotbloom the Sporeling, Devourer of Roots) — Rare, item level 130 — ≈ 42%
• Leather Belt — Rare, item level 130 — ≈ 42%
• Plate Bracers — Rare, item level 130 — ≈ 38%

Winterfur, the Imprisoned Demon

Level 43; items per kill: 2–3.

• Ring (Winterfur, the Imprisoned Demon) — Epic, item level 143 — ≈ 9%
• Gauntlets (Winterfur, the Imprisoned Demon) — Epic, item level 143 — ≈ 7%
• Mail Spaulders — Rare, item level 143 — ≈ 22%
• Cloth Leggings — Rare, item level 143 — ≈ 22%
• Ring (Winterfur, the Imprisoned Demon) — Rare, item level 143 — ≈ 21%
• Pauldrons (Winterfur, the Imprisoned Demon) — Rare, item level 143 — ≈ 20%
• Waist (Winterfur, the Imprisoned Demon) — Rare, item level 143 — ≈ 19%
• Amulet (Winterfur, the Imprisoned Demon) — Rare, item level 143 — ≈ 19%
• Hood (Winterfur, the Imprisoned Demon) — Rare, item level 143 — ≈ 19%
• Bracers (Winterfur, the Imprisoned Demon) — Rare, item level 143 — ≈ 19%
• Plate Gauntlets — Rare, item level 143 — ≈ 18%
• Greataxe (Winterfur, the Imprisoned Demon) — Rare, item level 143 — ≈ 18%
• Leather Helm — Rare, item level 143 — ≈ 18%
• Prisoner's Shackles — Rare, item level 143 — ≈ 17%

Great Ancient Rootmane, Keeper of the Hall

Level 46, final boss; items per kill: 2–3.

• Rootmane's Core — Epic, item level 153 — ≈ 18%
• Cloth Boots — Epic, item level 153 — ≈ 16%
• Hood (Great Ancient Rootmane, Keeper of the Hall) — Rare, item level 153 — ≈ 38%
• Ranged (Great Ancient Rootmane, Keeper of the Hall) — Rare, item level 153 — ≈ 37%
• Plate Legguards — Rare, item level 153 — ≈ 36%
• Mail Hauberk — Rare, item level 153 — ≈ 36%
• Cloak of the Emerald Thicket — Rare, item level 153 — ≈ 35%
• Leather Bracers — Rare, item level 153 — ≈ 33%

Chances are approximate: the game “kills” each boss 1000 times with the same loot code as in battle.