From Blackest Day (Part 1)
'Can you imagine finally being able to use Gravity magic without Friya's uncanny dimensional awareness thanks to Spirit Magic?' Solus said. 'Using Gravity spells by borrowing Mogar's elemental energies is too hard, whereas Spirit Magic is more docile, once you learn how to conjure it.'
'That's because Spirit Magic is entirely made up of our mana and uses no external elemental energy. Mana is a part of us and naturally responds to our will. On top of that, since Spirit Magic spells don't rely on world energy, they can't be countered by arrays, making them unstoppable.' Lith said.
'Yeah, they are akin to projecting fusion magic on the outside. You use solely the elements that comprise your own mana instead of the elements of the environment.