EXP in Genshin Impact is used to level up characters. Players can farm it in several ways – firstly, the EXP raises every time you kill an enemy. Secondly, you get additional EXP for getting Wanderer’s Advice (1000 EXP), Adventurer’s Experience (5000 EXP), and Hero’s Wit (20,000 EXP), given for completing missions. They can also be found in treasure chests.