Fighting Spirit

The protagonist, Allen, travels to a world of fighting spirit, where fighters are superior and control all the beauty and prosperity in the world. Allen has mediocre qualifications, but he occasionally gets a golden finger, which can help him quickly understand and practice various fighting skills! Invincible in the same realm, super battles also happen from time to time! Allen has been fighting in various battles all the way, and his fighting spirit dominates the entire world! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.