Filius Zect OBD
Nagi's master

Name: Filius Zect
Origin: Negima
Gender: Male
Classification: Demon
Age: Unknown
Powers and Abilities: Super strength, speed, agility, durability, void instant movement, can create and strengthen magic barriers and fire various magic attacks, skilled martial artist
Weaknesses: None
Destructive Capacity: Unknown, possibly at least city level+ (via powerscaling as he was Nagi's master)
Range: Several kilometers
Speed: Massively hypersonic+ via powerscaling (possibly in the quadruple digits)
Durability: Mountain level+, higher with barriers (he along with Nagi are the only ones who was able to stand up and still fight after being attacked by the Lifemaker)
Lifting Strength: At least class K+ via powerscaling
Striking Strength: At least Class MJ+ via powerscaling
Stamina: Unknown (should be pretty high via powerscaling and the fact that he was a demon)
Standard Equipment: None
Intelligence: Smart enough to become Nagi Springfield's master
Notable Attacks/Techniques:

Notable OBD victories:

Notable OBD losses:

Other: