My Beast Is the Great Sage

Ethan Yeats awakens an F-Rank trash Macaque at the summoning ceremony, suffering ridicule and betrayal from his girlfriend! He awakens The Eidolon Armament System, allowing Eidolons to wield divine weapons! He draws The As-You-Will Golden Cudgel, and his Macaque evolves into SSS-rank The Great Sage Equaling Heaven, sweeping The Novice Trial Tower and crushing geniuses! From trash to invincible, he shatters rules. When the real The Great Sage Equaling Heaven descends, his journey has just begun!