Izold is a self-destructive brawler who converts his own health loss into escalating power. His noxious gas burns nearby enemies at the cost of his own health, triggering periodic stunning explosions. Every chunk of health he loses permanently increases his attack rating and attack frequency, and once enough stacks accumulate, his regeneration becomes permanent. His ultimate recovers a massive portion of lost health while boosting his attack and haste, and simultaneously triggers his healing injection for double recovery. Enemy deaths during the ultimate window grant him heavy damage reduction and control immunity. A charge-and-stab ability keeps targets locked down between gas cycles. The entire kit rewards him for taking punishment — the lower he drops, the faster and harder he hits, and his layered self-healing makes him increasingly difficult to finish off.