It was quite evident from past evolutions: Tommy unlocked a new skill with each level up. When he had gone from trash grade, he had gotten the top-tier skill Fusion of Life and Death. If it wasn't for that skill, Lukas might have long died in some random ditch, rotting away for eternity.
However, even though he was mentally prepared, somewhat excited even, he was not expecting Tommy to suddenly receive two new skills at the epic grade evolution.
He didn't immediately summon Tommy but first examined the skills. With a slightly hopeful look in his eyes, he tapped on the pale blue window flashing in front of him.
[Sacrifice – Unique to Undead War Revenant Tommy
Description: Sacrifice lower grade abilities and talents to upgrade other talent to higher grade.]
A simple and short description, but it was enough to give a rough idea of what the skill was exactly capable of.
