Mid-Grade Life Stone: level 46 Mid-Grade Life Stone: level 46 NPC Name Level - Type Quantity Chance Drop Rotting Golem 44 Passive 1 1 / 2,217 Blade Stakato Drone 44 Passive 1 1 / 576 Farhite Lad 44 Passive 1 1 / 1,130 Pirate Zombie 44 Passive 1 1 / 546 Swamp Alligator 44 Passive 1 1 / 1,190 Swamp Warrior 44 Passive 1 1 / 357 Catacomb Liviona 44 Aggressive 1 1 / 910 Premo 45 Passive 1 1 / 147 Trisalim Spider 45 Passive 1 1 / 3,571 Weird Drake 45 Aggressive 1 1 / 1,669 Carinkain 45 Aggressive 1 1 / 964 Grave Wanderer 45 Passive 1 1 / 691 Vanor Silenos 45 Passive 1 1 / 1,284 Nos Lad 45 Aggressive 1 1 / 1,736 Nightmare Keeper 45 Passive 1 1 / 1,202 Swamp Tribe 45 Aggressive 1 1 / 646 Grave Overlord 45 Aggressive 1 1 / 822 Dimension Invader Soldier 45 Aggressive 1 1 / 890 Validus 46 Passive 1 1 / 838 Trisalim Tarantula 46 Aggressive 1 1 / 1,427 Archer of Greed 46 Aggressive 1 1 / 1,087 Vanor Silenos Grunt 46 Passive 1 1 / 1,645 Probe Golem Prodigy IV 46 Aggressive 1 1 / 1,739 Spoil