It was larger than a human heart—maybe the size of a small melon, with a dark blue-gray coloration and visible ventricles that still seemed to pulse slightly despite the creature being dead.
The surface glistened with residual moisture, and faint traces of Astra energy emanated from it in slow waves.
Levi placed the tablet flat on the floor next to the Abyssal Eel heart. Then, speaking clearly both aloud and mentally to ensure the command registered properly: "Absolute Refinement Tablet, activate Quality Perfection ability. Target: Abyssal Eel Heart. Enhance quality grade to maximum possible level."
For a moment, nothing happened.
The tablet sat motionless on the floor, looking exactly like an ordinary piece of carved stone. The beast heart beside it continued its faint pulsing, unchanged.
Then the tablet began to glow.
