Luisenberg Alberion

Luisenberg Alberion (ルイセンベルグ・アルベリオン) is an adamantite ranked adventurer and a member of Red Drop.

The Dark Warrior Arc
Luisenberg Alberion was mentioned by Clementine to be one of the few people in the Re-Estize Kingdom whom could put up a good fight against her.

Abilities and Powers
It seems that he is a top-class warrior comparable to the likes of Gazef Stronoff, Brain Unglaus, and Gagaran.