That's a fine reason

 

Name: Arden
Origin: Nanatsu no Taizai
Gender: Male
Classification: Human, Holy Knight, Member of the Six Stars of the Azure Sky
Age: Unknown
Powers and Abilities: Super strength, speed, durability, agility, skilled archer, his magic ability Vain allows Arden to significantly increase the amount of magical energy required for his opponents to use their abilities (they have to be struck by his weapons and he can stack them)
Weaknesses: None notable
Destructive Capacity: At least large building level+, possibly higher (should be stronger than Twigo)
Range: Several dozen meters with his bow and arrow
Speed: Hypersonic+
Durability: City block level via powerscaling
Lifting Strength: Superhuman
Striking Strength: 
Likely Class GJ
Stamina: Superhuman
Standard Equipment: His bow and two quivers of arrows
Intelligence: Skilled fighter
Notable Attacks/Techniques:

- Vain: Weapons imbued with Arden's power can increase the magical burden of an opponent's abilities. This effect can be applied multiple times, preventing powers that use a small or large amount of magic from activating depending on how many times the effect has been stacked.

Notable OBD Victories:

Notable OBD Losses:

Other: