The Fusion Helmet is a helmet found in Infinity Blade I. It can only be purchased in New Game+. It is part of the Omega Set. It has a counterpart Dark Fusion Helm that can only be unlocked by completing a secret in-game challenge.
The Fusion Helmet is a helmet found in Infinity Blade II. It can only be purchased in NewGame+, obtained in ClashMob, or found in a large chest/rare prize wheel. It is locked (until NewGame+) and is part of the Omega set.