Major sorcery magika return/regen and stealth detect think it’s called essence of detection is my most used. The why is I play quite offensively so the sorcery and regen lasts for the duration of the cooldown and when used at the right time the detect gives me an upper hand on nightblades.
I also at times use immovable pots with immovable, health return and magika return/regen. This can be used more for snares or multiple enemies and provides and nice burst return of health as well
1. Tri pots in most situations for the sustain.
2. Health/magicka/immov pots for pushing into groups
3. Detect/Immov/magicka pots for finding nightblades and to prevent the stealth stun if they try to fight back once found.
4. Speed/Stam/Immov pots for running the heck away and for keeping up with the group if i get caught in the back.
5. Invis/Speed pots for just getting out of really bad situations, or for getting past resource/keep guards.