Michael is the leader of the Angels, and an Archangel as well as a Seraph. He is the only Archangel and one of the God of the Bible's creations.
Powers and Stats
Tier: At least 6-C, likely higher
Name: Archangel Michael
Origin: High School DxD
Speed: At least Massively Hypersonic, likely at least Sub-Relativistic (Comparable to Serafall)
Lifting Strength: Unknown
Striking Strength: At least Island Class, likely higher
Durability: At least Island level, likely higher
Stamina: Presumably high, having survived the Great War and can fight on par with Satan-class enemies for long periods.
Range: At least several hundreds of meters with projectiles, Cross-Dimensional with the Holy System (the debilitating effects of holy objects and the name of God work even in the deepest depths of the Underworld along with the Dimensional Rift)
Standard Equipment: Light-Based Weapons, Brave Saints
Intelligence: A competent leader and an angel with thousands of years of combat experience. As a result, he is able to make light weapons effortlessly and is able to maintain God's system after his death, but is admittedly less efficient at his work than the Almighty himself.
Weaknesses: None Notable
Light Manipulation: As with all Angels, Michael can manipulate light, effortlessly creating light based weapons.