I made a "Hell Knight" build. Heavy Armour, Conjuration (Atronach Path), Two - Handed, Destruction, Enchantment.
Pretty much walks over everything he comes across.
Get master Conjuration and make your own Daedric armour. Also with mystic binding you don't really need to carry around a weapon. Although I normally carry Volendrung for the looks of it plus the enchant means you don't need to put any points in stamina.
The school of congregation is a highly elusive school of magic, to build the spells you need to study under the Grand Snake of the Maormer. --- The mind is like a parachute: it only works when it's open