Return of the Nation-Level Adventurer

[Warning This book contains gore and brutal scenes, you have been warned.] The world has been deceived to think that the might of the combined strength of the kingdoms ended the war, but they were not. The true heroes of the war were left in the dark never to be known again, that is until his great awakening. Raiden is the leader of a guild called God Slayers. Upon his awakening from his deep slumber, he realized that the world has changed and a lot of time has passed. Remembering only a fragment of the past, Raiden soon came to a realization that all of his comrades are dead, and that their guild is stained by people abusing power. He make it as his mission to claim his guild back and clean it's name for the sake of his fallen comrades.