Being a Forest Watcher, Tighnari is highly knowledgeable about various species of both plants and animals, particularly flowers and mushrooms. He spends a great deal of time in Sumeru's rainforests, ensuring that the ecosystem is balanced and offers advice to those willing to listen and sternly lectures those who don't. He has very sensitive ears, not being very fond of thunder or wind since they greatly affect them. He serves as a mentor to Collei, who in turn sees him as a Master of some sorts