When playing Pokémon Legends: Arceus, one of the key experiences is raising and evolving Pokémon like Carvanha. Based on my own gameplay, I've found that understanding the mechanics of experience points and leveling can significantly improve your adventure. Carvanha, a Water and Dark-type Pokémon, starts at level 19 in many encounters. To efficiently level it up, focus on battling wild Pokémon that give substantial experience points without putting Carvanha at unnecessary risk. Taking note of the 'current no. of Exp. points' versus 'points needed to level up' helps in planning which battles to engage in. One exciting aspect is hunting for shiny Pokémon, which have distinct coloration and are rare finds. To increase your chances of encountering a shiny Carvanha, consistently explore areas where Carvanha spawns and use techniques like the Poké Ball Plus or chain encounters. Markings and identifiers such as size classification and original trainer information also assist in tracking your shiny collection. Additionally, personalizing your Pokémon by changing nicknames and noting unique markings can enhance your connection with them. Using these strategies, you can enjoy not just leveling up but also building a memorable team in Pokémon Legends: Arceus.