You’ve developed the skills necessary to hold your own in close-quarters grappling. You gain the following benefits:

• Character Levels 1 - 4, you can use your action to try and perform a Wrestling Maneuver. To do so, make another grapple check. If you succeed, Roll a D4.
• On a roll of 1 - Arm Bar, 2 - Abdominal Stretch, 3 - Headlock, 4 - Ankle Lock
• Damage done by these moves are 1d4 + Strength Modifier

• Character Levels 5 - 10 you can use your action to try and perform a Wrestling Maneuver. To do so, make another grapple check. If you succeed, Roll a D6.
• On a roll of 1 - Body Slam, 2 - Hip Toss, 3 - Irish Whip, 4 - Russian Leg Sweep, 5 - Short Clothes Line, 6 - Atomic Drop
• Damage done by these moves are 1d6 + Strength Modifier

• Character Levels 11 - 16 you can use your action to try and perform a Wrestling Maneuver. To do so, make another grapple check. If you succeed, Roll a D8.
• On a roll of 1 - Suplex (any form except Superplex), 2 - Power Slam, 3 - Standing Drop Kick, 4 - Power Bomb, 5 - Back Breaker, 6 Running Knee to the gut, 7 - Bulldog, 8 - The Low Blow
• Damage Done by these moves are 1d8 + Strength Modifier

• Character Levels 17 - 20 you can use your action to try and perform a Finishing move only if opponent is at 25% Health or Less. Make a Grapple check, if you succeed, Roll a D12.  
• On a roll of 1 - Stunner, 2 - DDT, 3 - Pile Driver, 4 - Figure 4 Leg Lock, 5 - Boston Crab, 6 - Sleeper Hold, 7 - Superplex, 8 - Camel Clutch, 9 - Cross Face Crippler, 10 - Choke Slam, 11 - Super Kick, 12 - The Pedigree.
• The opponent must make a constitution check. On a pass, the opponent takes 1d12 + Strength Modifier Damage.  On a fail,  the opponent is reduced to 0 Hit points and is unconscious.

• For all Character Levels, 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.