Currently both 682 and 457 have the exact same Rmb which makes gameplay for them very similar. So I thought up different rmbs according to the scp wiki.
682
Stats:
Speed: 2521's speed
rmb: shrink
r: grow
The rest of the stats 682 currently has will be the same.
Specials:
Rmb would make your player model the same size as 378's along with your hitbox. Upon using this you will only have a 5% damage reduction instead of a 33% and have a sm
True, but unlike most respawning scps I timed this so that it could be at the 8 minute mark. I did this because most players come back to their pc around this time seeing if they are a respawed mtf unit.