The Transcendent Mind/Mirage Combat

Mirage Comabat
Mirage Combat, is a branch of The Transcendent Mind, that is based on the usage of the cooling technique "Tsumetai" and knowledge of weather systems.

To use this style one must cool down the air around them using Tsumetai to change the air density, The great difference in temperature causes major light refraction, which then cab be used to create mirages and illusions (even though the refracted light is real) this is a very useful ability that can be used in many ways, it's greatest strength is the ability to confuse opponents using light refraction and other means., this style however requires full mastery of Tsumetai, something that is very difficult to achieve as one has to be completely emotionless to reach the neccesary skill required for this style.

Techniques
Mist cloack: using the cooling ability of Tsumetai, users would cool down the air around them, because the surrounding air is much warmer and holds more moisture, cooling it will cause in the condensation of moisture, to the point where a think layer of mist starts to envlope the user's surroundings, blinding both enemies and one's self, this is why users need to have other means of sensing the opponent such as an enhanced hearing senses or through Haki.

Invisiblity Clock: another technique that is meant to confuse enemies, where the user would cool down air around him, making it denser, cloaking themselves in a blanket of air that makes them invisible, users would continiously cool down air to have this "invisibility cloak" of air move along with them, allowing for great stealth skills and suprise attacks.

Mirage clone: By cooling the surrounding air, users can creates multiple images of themselves using reflections and refractions within the air, which serves for great distractions, and confuses the enemy in the midst of battle, the user's attacks are also mirrored by these mirages, even further confusing the enemy, not even knowing which of the attacks is the real one.

World of Dreams: a powerful technique that combines between all the other techniques where the user would condense moisture to produce mist, which is great for refracting light, which will then be used by practitioners to create large scale and wide ranged mirages, that greatly confuse enemies and throw them off balance, in fact the mirages are so effective that it can create copies of a full ship at once. The blinding effects of the mist and the "illusions" produced by the technique makes this a very dangerous skill that users can highly benefit from in battle and in other situations.