Wrave, take an Azurill. Name it whatever you want. It cannot use any attacks which are not STAB affected (that includes non-damaging status moves, as those can't be affected by STAB at all).
Solo Cheren. With up to 3 Healing items. You can evolve to Marill after beating Cheren.
If you survive, have fun.
Just A1 for short. Apparenlty people can't spell Treadshot.
Recent Scramble link
Note: Yes, it is spelt wrong. Deliberately. Shut up, you're not the first to notice.