He uses a bow to fight monsters and protects those who venture into the forest with his Dendro Vision. Tighnari is a young researcher with a talent for botany and is said to be a good teacher. Being a Forest Watcher, Tighnari is highly knowledgeable about various species of both plants and animals, particularly flowers and mushrooms. He is responsible and serious, offering earnest advice to the receptive and delivering stern lectures to those who dismiss his counsel. He is a mentor to Collei.