Complex sentence: Kratos's main weapon is the Blades of Chaos: a pair of blades attached to chains that are wrapped around Kratos's wrists and can be swung around to attack enemies.
Split into simpler sentences: Kratos's main weapon is the Blades of Chaos: a pair of blades attached to chains that are wrapped around Kratos's wrists. The blades can be swung around to attack enemies.