DxD: Trait Plunderer

Tranmigrating to a mashup anime world, Tatsuma obtains the Trait System. With it, he can acquire traits from a target by defeating them. [Congratulations on successfully defeating Issei Hyoudou.] [Boost: When activated, strength boosts once every ten seconds. The Boost limit is affected by physical ability.] [Congratulations on successfully defeating Yuji Itadori.] [Athlete: Training effect +300%, more likely to trigger Black Flash in combat.] [Congratulations on successfully defeating Siegfried.] [Demon Sword Controller: Swordsmanship Talent +1000%, can use any sword regardless of conditions, physical stats slightly increased when holding a sword.] Additionally, new functions are unlocked each time his strength reaches a new level. [Ding! Host's strength has broken through to Level 2, unlocking the trait upgrade function!] [Ding! Host's strength has broken through to Level 3, unlocking...]