You can choose one of the four Legendary Weapons. Legendary Weapons are ancient spirits who manifest themselves as weapons and forcibly summon suitable users to resist the fusion of worlds. The users who wield these weapons are given the title of Legendary Hero.
All weapons possess a gem that acts as the functional matrix to activate abilities, this gem persists in every weapon form. Possessors of the weapon upgrade it through adventuring within their respective worlds, with each world having different power metrics. Each Legendary Weapon possesses different functions that can be discovered.
There are many ways of enhancing a Legendary Weapon and certain conditions can unlock powerful forms. Legendary Weapons are capable of translating any spoken language and dialect but is unable to do so with written languages.