落ちこぼれの俺、神器で成り上がる

Deemed a failure at his awakening, he is brutally betrayed by his family and greedy fiancée. But just as they dump him, he unlocks an ancient, mythical weapon! With this supreme power, he slaughters mutated beasts to earn divine coins and unlock even more god tier gear. Can he crush his betrayers and ascend as the ultimate god?