Here is the full list of all 39 Gauntlet: Slayer Edition trophies - there are 19 bronze, 17 silver, 2 gold and 1 platinum.
Complete all Trophies in Gauntlet™
Kill 15000 Cultists With One Hero
Kill 15000 Demons With One Hero
Take 12000 Cumulative Damage as the Valkyrie
Kill 50 Spider Queens With One Hero
Kill 12000 Monsters with Valkyrie Weapon Abilities
Take 10000 Cumulative Damage as the Wizard
Block 100 projectiles with Shield Block - Valkyrie
Kill 8000 Monsters with Fire Spells
Kill 8000 Monsters with Lightning Spells
Kill 8000 Monsters while they are Frozen or Chilled
Kill 15000 Grunts With One Hero
Kill 15000 Orcs With One Hero
Kill 50000 Monsters With One Hero
Kill 15000 Skeletons With One Hero
Kill 15000 Mummies With One Hero
Kill 50 Liches With One Hero
Destroy the Food 500 Times With One Hero
Take 10000 Cumulative Damage as the Elf
Kill 12000 Monsters with Elf Weapon Abilities
Drop the Crown 200 Times With One Hero
Kill 12000 Monsters with Warrior Weapon Abilities
Destroy 5000 Props With One Hero
Survive from floor 1 to floor 50 in Endless Mode
Tackle 500 Monsters using Rush - Warrior
Complete all Lava Levels on Hard
Survive from floor 1 to floor 25 in Endless Mode
Complete all Caves Levels on Hard
Die 100 Times With One Hero
Take 15000 Cumulative Damage as the Warrior
Complete all Crypt Levels on Hard
Survive from floor 1 to floor 10 in Endless Mode
Kill The Boss of the Temple
Kill The Boss of the Caves
Eat food equal to 6000 health in total With One Hero
Kill The Boss of the Crypts
Die by taking Area Damage from an Explosive Barrel that you are Carrying
Kill 500 Monsters with Magic Arrow or Sniper Shot - Elf
Destroy 800 Props With One Hero