Ethereal & Aethereal Modes

Ethereal Mode and Aethereal Mode ( EtherealのモードとAetherealモード, Īsariaru no mōdo to Aethereal mōdo) are two types of forms that all warriors can gain throu training their energy and power, then uniting into one

Despite being powerfull forms and usable for combat and travelling, both forms consume much power and energy from the users. While one form gives a full form for the spirit to walk along his master, the other fuses master and spirit. The second, while more powerfull and granting more strenght, risks the user and spirit to die forever.