You are an expert in using your bulk and size to overpower opponents. You gain the following benefits:

• Your strength score increases by 1, to a maximum of 20
• You have advantage on any Strength (Athletics) check made to grapple an opponent
• If you have an opponent grappled, you can use your action to make a full body slam. Doing so forces the grappled creature to attempt a constitution saving throw (DC equals 8 + your athletics modifier). On a failed save, it is knocked unconscious. You can do this a number of times per long rest equal to your proficiency modifier.