Catch Wrestler {Revised}

Requires a Strength of 16 or higher

You excel in putting your opponent in grapples and torturing them using different holds. You gain the following benefits:

• Increase your Strength +1, to a maximum of 20.
• You have advantage on attack rolls against a creature you are grappling.
• You can use your action to try to pin a creature grappled by you. To do so, make another grapple check. If you succeed, you and the creature are both restrained until the grapple ends.
• If you are grappled,  you may use a bonus action to break the grapple,  or a full action to reverse it. 
• On a successful grapple [acrobatics or athletics check] you can choose one ability from below to add to your grappling effect:

1. Throw:  opponent must make a DC15 dexterity saving throw. On a failure,  opponent takes 2d4 force damage and is immediately knocked prone.  On a success,  takes half damage. 
2. Hold: at the beginning of your opponent turn while grappled, use a reaction. the opposing creature must make a contested strength saving throw or lose it's turn. 
3. Submission: opponent must make a contested Strength or Dexterity saving throw. If the grappler wins, the grappled creature takes 3d8 crushing damage and an additional 1d4 damage every turn until the grapple is ended. If the grappled creatures wins, it gains advantage on its next attempt to get out of the grapple. ( The character must use an action to hold the submission. A creature can't be killed by a submission.  If the creatures hit points reach 0 due to this effect, it is knocked out)