yougan clan have the ability to mix Earth and Fire to create lava/Magma, this clan also has an eye technique letting them see infared colors(like heat and stuff like a glow of heat)
Eye technique:
ADVANCED USERS:
Users with a lot of training(chakra) and discipline can only use this! This Ability allows to mix Water and Fire (making Steam) and Water and Earth(Making Wood). And the eye technique has x-ray Ability, and also absorbs chakra from plants and trees(SPIRIT BOMB)
UPGRADED EYE: