Essence Drain passive in Restoration Staff skill line grants Major Mending when you heavy attack. This will proc Wretched Vitality 's larger recovery buff.
Hasty Prayer grants Minor Expedition which will proc Wretched Vitality's smaller buff.
Clear your attributes, wear all the gear and eat the food. Then add points into health until you are around 35k health. Put points into Magicka until it gets to 25k and the rest into stamina. Your magicka and stamina are low but recover quickly - you should never run short.