Diminisher

The last three attempts to make a weapon have had their strengths, but their weaknesses stemmed from their genetics, which were already inherited by the mobs fused together. That's when they knew that they had to start from scratch and be more specific with traits, and created a creature with the height of a human, the sunlight immunity of a husk, the durability of a golem, and most importantly: The ability to inflict an enhanced version of a poisonous effect found in cave spiders, except this time, it was fatal, giving it the nickname Diminisher. They wielded stone swords as a way for added reach. It still had one backside in its early development that was never fixed due to a mere raid, and that was the ability to come back from death as a taller but more savage and uncontrollable skeletal creature, and their skulls could somehow create a dangerous weapon. The weapon in question caused an incident that attracted attention from the enemy. The men who created these creatures retreated into the Overworld and eventually set up mansions and outposts after the raid, ready to jump-start their careers again, this time as a shell of what they were, a grand civilization.