Chronicles of the Cursed Sword
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Name: Buk Du
Origin: Chronicles of the Cursed Sword
Gender: Male
Classification: God of Death, Creator level god
Age: Unknown
Powers and Abilities: Super strength, speed, durability, immortality, regeneration, death manipulation, soul manipulation, can kill immortals, power mimicry, skill mimicry, star manipulation (and by extension, light manipulation. Said to have control of all stars in the universe), purification
Weaknesses: 
Destructive Capacity: At least universe level, likely much higher (Hyacia had to assume true form in order to beat him. Considered a creator level being)
Range: At least interstellar, potentially universal
Speed: MFTL
Durability: At least universe level, likely much higher (managed against Hyacia's Yama Cheon; a skill that wrecked Hyunbing)
Lifting Strength: Superhuman
Striking Strength: At least XJ, likely higher (Hyacia can destroy the planet with her wings, which her two swords would scale to. Buk Du can clash with her)
Stamina: Large
Standard Equipment: Sword of Death
Intelligence: A bit arrogant but a very capable fighter. His ability to copy power and skill allows him to further his natural skill.
Notable Attacks/Techniques:

Seven Star of Death: An attack launched from a formation of seven stars in the sky that can destroy the body and soul of those it hit. 

Notable OBD Victories:

Notable OBD Losses:

Other: