There are four Blackrock Foundry missions requiring a team of 660 followers and will be available for  a maximum of two weeks before they disappear from your journal. I’ve included the followers I’ll be using for each of my missions as well as the loot received from each successful return.

Blackrock

Your follower list may vary somewhat since you may have different counters but they are the best combinations I have found for my priest. Loot may also include items from other characters.

Slagworks

Threats
Group Damage, Timed Battle, Danger Zones, Wild Aggression, Minion Swarms, Deadly Minions, Massive Strike

Followers
Bruto, Magistrix Chillbreeze, Ka’la

Black Forge

Threats
Group damage x2, Timed Battle, Danger Zones, Wild Aggression, Massive Strike, Powerful Spell

Followers
Bruto, Leorajh, Ka’la

Iron Assembly

Threats
Group Damage, Minion Swarms x2, Magic Debuff x2, Danger Zones, Powerful Spell

Followers
Iye, Leorajh, Lokra

Auto-Repairing Autoclave – Disc (100%)
Gruul’s Lip Ring – Shadow (99%)

Blackhand’s Crucible

Threats
Group Damage, Timed Battle, Danger Zones, Wild Aggression, Massive Strike, Deadly Minions, Powerful Spell

Followers
Goldmane the Skinner, Morketh Bladehowl, Leorajh