Create a profile for a weapon in a video game. This weapon is teal, has knobs on it, and has a special ability. 
Name: The Wrecker
Classification: Sledgehammer
Special Abilities: Swinging this hammer generates a sonic blast that knocks an enemy back if it does not make contact. The sonic blast does not do damage. Knockback lasts 3 seconds. 
Destructive Ability: Hit damage constitutes 45HP if it makes contact with a vulnerable part of the body (head, groin, hands, feet). Any other blow constitutes 30HP. 
Speed: Slow, regeneration 6 seconds.
Range: Close range, 3 feet.
Tier: 1
Wielders: Melee
Version: Base, no evolution
Description: This sledgehammer is teal and has many knobs on the handle. There is brown leather wrapping on the handle made from deer hide. It is made out of steel with copper plating that has oxidized, causing the teal coloring.