In Heroic Mode Underbog, the rare drops from bosses have been adjusted to level-70 quality. Those drops are provided below, by boss.

Hungarfen

Arcanium Signet Bands Binds when picked up Cloth Wrist 68 Armor +14 Stamina +15 Intellect Durability 30 / 30 Requires Level 70 Item Level 115Disenchants into: [Large Prismatic Shard]: 1 (99.5%) [Void Crystal]: 1 (0.5%) Equip: Increases spell power by 30. Sell Price: 1 70 42	Boggspine Knuckles Binds when picked up Fist Weapon Off-Hand Speed 2.60 130 - 243 Damage (71.7 damage per second) +15 Agility +10 Stamina Durability 65 / 65 Requires Level 70 Item Level 115Disenchants into: Not disenchantable Equip: Improves hit rating by 11. Equip: Increases attack power by 10. Sell Price: 8 55 39	Cassock of the Loyal Binds when picked up Plate Legs 1019 Armor +30 Stamina +34 Intellect Requires Level 70 Item Level 115Disenchants into: [Large Prismatic Shard]: 1 (99.5%) [Void Crystal]: 1 (0.5%) Equip: Improves critical strike rating by 25. Equip: Increases spell power by 36. Sell Price: 6 1 5	Girdle of Living Flame Binds when picked up Unique Mail Waist 367 Armor +17 Intellect +15 Stamina Yellow Socket Blue Socket Durability 40 / 40 Requires Level 70 Item Level 115Disenchants into: [Large Prismatic Shard]: 1 (99.5%) [Void Crystal]: 1 (0.5%) Equip: Improves hit rating by 16. Equip: Increases spell power by 29. Sell Price: 2 52 73
Hungarhide Gauntlets Binds when picked up Mail Hands 407 Armor +27 Agility +20 Intellect +21 Stamina Durability 40 / 40 Requires Level 70 Item Level 115Disenchants into: [Large Prismatic Shard]: 1 (99.5%) [Void Crystal]: 1 (0.5%) Equip: Increases attack power by 44. Sell Price: 2 54 69	Idol of Ursoc Binds when picked up Unique Idol Relic Requires Level 70 Item Level 115Disenchants into: [Large Prismatic Shard]: 1 (99.5%) [Void Crystal]: 1 (0.5%) Equip: Increases periodic damage done by Lacerate by 3 per application. Sell Price: 2 53 71

Gha'zan

Dunewind Sash Binds when picked up Leather Waist 164 Armor +21 Agility +16 Stamina Red Socket Blue Socket Socket Bonus: +3 Agility Durability 35 / 35 Requires Level 70 Item Level 115Disenchants into: [Large Prismatic Shard]: 1 (99.5%) [Void Crystal]: 1 (0.5%) Equip: Increases attack power by 50. Sell Price: 2 30 18	Girdle of Gallantry Binds when picked up Plate Waist 655 Armor +27 Strength +14 Agility +22 Stamina +13 Intellect Red Socket Yellow Socket Socket Bonus: +3 Resilience Rating Durability 45 / 45 Requires Level 70 Item Level 115Disenchants into: [Large Prismatic Shard]: 1 (99.5%) [Void Crystal]: 1 (0.5%) Sell Price: 3 10 20	Greatstaff of the Leviathan Binds when picked up Staff Two-Hand Speed 2.40 179 - 269 Damage (93.3 damage per second) 360 Armor +36 Stamina Durability 100 / 100 Requires Level 70 Item Level 115Disenchants into: [Large Prismatic Shard]: 1 (99.5%) [Void Crystal]: 1 (0.5%) Equip: Increases attack power by 78. Sell Price: 11 9 59	Headdress of the Tides Binds when picked up Mail Head 530 Armor +35 Intellect +30 Stamina Durability 70 / 70 Requires Level 70 Item Level 115Disenchants into: [Large Prismatic Shard]: 1 (99.5%) [Void Crystal]: 1 (0.5%) Equip: Increases spell power by 39. Equip: Restores 9 mana per 5 sec. Sell Price: 4 12 87
Hydra-fang Necklace Binds when picked up Neck +16 Intellect +17 Stamina Requires Level 70 Item Level 115Disenchants into: [Large Prismatic Shard]: 1 (99.5%) [Void Crystal]: 1 (0.5%) Equip: Improves hit rating by 16. Equip: Increases spell power by 19. Sell Price: 2 24 64	Ring of the Shadow Deeps Binds when picked up Unique-Equipped Finger +15 Stamina Requires Level 70 Item Level 115Disenchants into: [Large Prismatic Shard]: 1 (99.5%) [Void Crystal]: 1 (0.5%) Equip: Improves hit rating by 13. Equip: Improves critical strike rating by 21. Equip: Increases attack power by 24. Sell Price: 1 7 9

Swamplord Musel'ek

Armwraps of Disdain Binds when picked up Leather Wrist 128 Armor +18 Stamina Durability 35 / 35 Requires Level 70 Item Level 115Disenchants into: [Large Prismatic Shard]: 1 (99.5%) [Void Crystal]: 1 (0.5%) Equip: Improves critical strike rating by 20. Equip: Increases attack power by 38. Sell Price: 2 12 19	Bogreaver Binds when picked up Axe One-Hand Speed 1.70 85 - 159 Damage (71.8 damage per second) +15 Stamina Durability 90 / 90 Requires Level 70 Item Level 115Disenchants into: [Large Prismatic Shard]: 1 (99.5%) [Void Crystal]: 1 (0.5%) Equip: Improves critical strike rating by 18. Equip: Increases attack power by 28. Sell Price: 8 55 30	Crown of the Forest Lord Binds when picked up Leather Head 237 Armor +27 Spirit +30 Intellect +26 Stamina Durability 60 / 60 Requires Level 70 Item Level 115Disenchants into: [Large Prismatic Shard]: 1 (99.5%) [Void Crystal]: 1 (0.5%) Equip: Increases spell power by 36. Sell Price: 3 15 88	Hands of the Sun Binds when picked up Cloth Hands 97 Armor +23 Intellect +22 Stamina Durability 30 / 30 Requires Level 70 Item Level 115Disenchants into: [Large Prismatic Shard]: 1 (99.5%) [Void Crystal]: 1 (0.5%) Equip: Improves critical strike rating by 21. Equip: Increases spell power by 28. Sell Price: 1 69 12
Swampstone Necklace Binds when picked up Neck +18 Spirit +15 Intellect +14 Stamina Requires Level 70 Item Level 115Disenchants into: [Large Prismatic Shard]: 1 (99.5%) [Void Crystal]: 1 (0.5%) Equip: Increases spell power by 21. Sell Price: 3 94 70	Weathered Band of the Swamplord Binds when picked up Finger +20 Strength +14 Intellect Requires Level 70 Item Level 115Disenchants into: [Large Prismatic Shard]: 1 (99.5%) [Void Crystal]: 1 (0.5%) Equip: Improves critical strike rating by 21. Sell Price: 1 7 9

The Black Stalker

Alembic of Infernal Power Binds when picked up Unique Trinket Requires Level 70 Item Level 115Disenchants into: [Large Prismatic Shard]: 1 (99.5%) [Void Crystal]: 1 (0.5%) Equip: Improves resilience rating by 33. Equip: When struck in combat has a 2% chance of gaining 260 mana. Sell Price: 1	Argussian Compass Binds when picked up Unique Trinket +36 Stamina Requires Level 70 Item Level 115Disenchants into: [Large Prismatic Shard]: 1 (99.5%) [Void Crystal]: 1 (0.5%) Use: Reduces damage from each attack by 68, up to a total of 1150 damage absorbed.  Lasts 20 sec. Sell Price: 2 16 12	Barbaric Legstraps Binds when picked up Mail Legs 570 Armor +25 Agility +13 Stamina +17 Intellect Red Socket Red Socket Blue Socket Socket Bonus: +4 Intellect Durability 90 / 90 Requires Level 70 Item Level 115Disenchants into: [Large Prismatic Shard]: 1 (99.5%) [Void Crystal]: 1 (0.5%) Equip: Increases attack power by 56. Equip: Restores 7 mana per 5 sec. Sell Price: 5 24 79	Bone Chain Necklace Binds when picked up Neck +19 Agility +18 Stamina Requires Level 70 Item Level 115Disenchants into: [Large Prismatic Shard]: 1 (99.5%) [Void Crystal]: 1 (0.5%) Equip: Improves hit rating by 13. Equip: Increases attack power by 36. Sell Price: 5 2 87
Demonfang Ritual Helm Binds when picked up Cloth Head 127 Armor +30 Intellect +39 Stamina Durability 50 / 50 Requires Level 70 Item Level 115Disenchants into: [Large Prismatic Shard]: 1 (99.5%) [Void Crystal]: 1 (0.5%) Equip: Improves hit rating by 19. Equip: Increases spell power by 36. Sell Price: 2 50 73	Doomplate Shoulderguards Binds when picked up Plate Shoulder 873 Armor +19 Strength +22 Stamina Red Socket Red Socket Socket Bonus: +3 Parry Rating Durability 80 / 80 Requires Level 70 Item Level 115Disenchants into: [Large Prismatic Shard]: 1 (99.5%) [Void Crystal]: 1 (0.5%) Equip: Improves critical strike rating by 20. Sell Price: 4 54 95 Set: Doomplate Battlegear (1/5)	Endbringer Binds when picked up Sword Two-Hand Speed 3.40 253 - 381 Damage (93.2 damage per second) +29 Strength +28 Stamina Durability 100 / 100 Requires Level 70 Item Level 115Disenchants into: [Large Prismatic Shard]: 1 (99.5%) [Void Crystal]: 1 (0.5%) Equip: Improves critical strike rating by 45. Sell Price: 10 77 15	Mana-Etched Pantaloons Binds when picked up Cloth Legs 136 Armor +34 Stamina +32 Intellect Durability 65 / 65 Requires Level 70 Item Level 115Disenchants into: [Large Prismatic Shard]: 1 (99.5%) [Void Crystal]: 1 (0.5%) Equip: Improves critical strike rating by 21. Equip: Increases spell power by 33. Equip: Increases your spell penetration by 18. Sell Price: 3 60 45 Set: Mana-Etched Regalia (1/5)
Oracle Belt of Timeless Mystery Binds when picked up Cloth Waist 205 Armor +17 Spirit +24 Intellect +22 Stamina Durability 30 / 30 Classes: Priest, Mage, Warlock Requires Level 70 Item Level 115Disenchants into: [Large Prismatic Shard]: 1 (99.5%) [Void Crystal]: 1 (0.5%) Equip: Increases spell power by 29. Sell Price: 1 71 71	Ring of Fabled Hope Binds when picked up Unique-Equipped Finger +11 Spirit +12 Intellect Requires Level 70 Item Level 115Disenchants into: [Large Prismatic Shard]: 1 (99.5%) [Void Crystal]: 1 (0.5%) Equip: Increases spell power by 32. Sell Price: 8 37 97	Savage Mask of the Lynx Lord Binds when picked up Leather Head 237 Armor +35 Agility +34 Stamina Durability 60 / 60 Requires Level 70 Item Level 115Disenchants into: [Large Prismatic Shard]: 1 (99.5%) [Void Crystal]: 1 (0.5%) Equip: Improves hit rating by 15. Equip: Increases attack power by 58. Sell Price: 3 26 90	Stormshield of Renewal Binds when picked up Shield Off Hand 3806 Armor 86 Block +16 Intellect +12 Stamina Durability 100 / 100 Requires Level 70 Item Level 115Disenchants into: [Large Prismatic Shard]: 1 (99.5%) [Void Crystal]: 1 (0.5%) Equip: Increases spell power by 30. Sell Price: 5 57 69
2020 Primal Nether Item Level 65Disenchants into: Not disenchantable Sell Price: 1 60