Evolution I - Heavy attack above 6x combo unlocks +3m range, -35% attack speed, changes imp to puncture dmg
Evolution II - Lethal Impetus +15% Attack Speed per kill for 15s, stacks to 45% after 3 kills
Evolution III - Seismic Slam +60% slam radius, increases base heavy slam radius of 9m to 14.4m
Evolution IV - Swift Transmute reach 3x combo for incarnon form
Evolution V - Vulnerability Serum - impaled enemies are +35% more vulnerable to status chance, meaning you boost SC by 1.35x on impaled enemies.