Spectral Tutor

Item	Chance	Quantity
Invader's Scourgestone	≈ 35%
Runecloth	≈ 29%	2–4
Dried King Bolete	≈ 5.9%
Ichor of Undeath	≈ 5.7%
Essence of Undeath	≈ 3%
Morning Glory Dew	≈ 2.3%
Major Healing Potion	≈ 2.1%
Major Mana Potion	≈ 1.2%
Thorium Lockbox	≈ 0.43%
Star Ruby	≈ 0.4%
Aquamarine	≈ 0.34%
Book: Gift of the Wild II	≈ 0.28%
Codex: Prayer of Fortitude II	≈ 0.28%
Tome of Arcane Brilliance	≈ 0.24%
Pristine Black Diamond	≈ 0.13%
Codex: Prayer of Shadow Protection	≈ 0.08%
Traveler's Backpack	≈ 0.08%
Pattern: Felcloth Hood	≈ 0.06%
Pattern: Felcloth Shoulders	≈ 0.06%
Pattern: Runecloth Pants	≈ 0.06%
Pattern: Runecloth Shoulders	≈ 0.06%
Plans: Thorium Boots	≈ 0.06%
Schematic: Thorium Shells	≈ 0.06%

Drops and chances are estimates; not all have been confirmed in the current game. 382 rarer world drops are not listed.