possible combos

dual casting destruction (increased damage but have to have same destruction spell in both hands) + impact (most dual casted destruction spells will stagger enemies) + augment fire lvl 2 ( all fire destruction spells times 1.5 damage) + burning flame (if enemy is at critical hp when hit by fire spell they will flee...hehehe run in panic XD) + fireball ( more or less fire bolt spell but its a spread attack..)= grenade XD...and what ever is left switch to dual wield...slice and dice

"maybe when you guys get bored try making a white long haired male character and once you do the fireball combo since they running in fair, use wall of flames...while everyone is running in fear and play "one winged angel" as background music...what makes this work also there is also a one handed sword in the game the looks like a katana (not as long but it will have to do) XD...you get the idea

going sword and mace combo for dual wield not double sword cause there is a perk in the one handed tree that allows maces that 75 percent of the damage of maces will ignore armor...so at least i have something against heavy armored enemies

dragon shout to knock them off if things get rough...then combo with fireball or the elemental wall spells to give me time to recover and maybe when i feel leave some elemental runes XD

frost spells (not as powerful as fire spells but they sure slow the enemy down) at close range to slow them down if i need to play space backing away

only problem with this build its a more or less a pure offensive build...no block perks and such and a little heavy or/and light armor perks

so going defense for this build is not such a good idea what the heck i am not big fan of going defensive anyways