Bigger. If you choose Artifice, gain a Disadvantage for each size you are larger than the target.
Smaller. If you choose Might, gain a Disadvantage for each size you are smaller than the target.
The target must Save with the same Stat you chose. If the target Passes their Save, they can remove 2 of your chosen effects.
As an Action, the target can attempt to break free from your Grapple. When they do, you will first perform your choice of a Might or ArtificeTest using the Penalties above. The target must then Save using the same Stat that you chose.
You can use this Ability again on an active target to add new effects to the grapple.
You are Blunted against all but the grapple target.
If the target of your grapple moves, you can use a Free Reaction to use Movement from your next Turn to move with them (preventing the end of the grapple.) You can skip this if you Mounted the target.