Actually, almost every PvE activity Boss/high-health entity can be "cheesed" using the Black Hammer. -Devil Walker and Sepiks Prime -Goliath Tank and Valus Ta'arauc -Sekrion -Atheon (with a small amount of skill) -Skolas -Archon Priest -Templar -Gorgons -Swordbearers -Phogoth (a little more difficult, still easily possible) -Any Servitor -Any Ogre -Any Knight -Any Captain/Kell/Archon -Any Hydra -Any Colossus -Any Cyclops -Any high-health enemy with a critical point that can be hit with any amount of skill