Backstabbed in a Backwater Dungeon: My Party Tried to Kill Me, But Thanks to an Infinite Gacha I Got

Sir Hardy, the commander of the White Knights, squares off against Nazuna, the strongest fighter in the Abyss! It's a clash of champions...or is it? Hardy is the Elven Queendom's greatest warrior, but can anything match Nazuna's overwhelming power?!

Meanwhile, Light finally confronts Sasha and Mikhael--and rejects their pleas for a truce. At last, Light's sweet revenge on Sasha is at hand! And next is the mad scientist Sionne. Light now has a taste for blood, and vengeance, that may never be satisfied!

Full Title: Backstabbed in a Backwater Dungeon: My Trusted Companions Tried to Kill Me, But Thanks to the Gift of an Unlimited Gacha I Got LVL 9999 Friends and Am Out For Revenge on my Former Party Members and the World (Manga)