As Griar trained everyday in hopes of rescuing the girl that stole his heart, a year passed, and he turned seventeen years old, he probably got close to death a few times because of Louizon's reckless idea of teaching, but as absurdly unsafe as it is, it was indeed efficient n getting him to improve.
Lizi attempted on multiple occasions to get him to pick a weapon to train with, but Griar's essence itself seemed to resist the idea of carrying a weapon, so in the end, he focused on hand-to-hand combat.
He learned how to fight by sparing with Lizi, by fighting the giant animals of the realm and eventually, Lizi also got Antieeld to assist despite Griar's reluctance, Auntie Antieeld was nice and all, but she honestly scared, he always felt that there was something a bit off about how she carried herself and behaved around him, his sisters and his mother.