Fusion Magic (合成魔法 Gōsei Mahō) is a type of Magic that consists of the union of the powers of two or more witches to create an immeasurable power.
Description
Fusion Magic is a form of magic that is only possible when the hearts of two or more witches are synchronized as one. In this way, witches are able to use their combined magic to cast spells much more powerful than any of them could use individually. Some spells are so complicated that they can only be cast with Fusion Magic.
Fusion Magic Spells
Gallery
Finnelan and Diana using Fusion Magic.
Akko and Diana using Fusion Magic in Teri Terio manga.