http://elderscrollsonline.com/en/news/post/2013/12/05/developer-question-of-the-week-49

If you could create your own spell or combat technique with a weapon, what would it be?

I'm always a fan of 'slow time' deals. That aside (for obvious practicality reasons), maybe the ability to take another player's damage? Oooh, or something like Pain Split would be cool. Combine your health with that of your target, then split it evenly between the two of you. Always fun.

Hehe fun one.

Spell:

PvE situations: A spell like fury, that makes npc's attack each other. In PvP this could be something like when the target is hit by the spell, and attacks you while being near his allies, his allies will take part of the damage.

Combat technique:

- Shehai strike. Splitting atoms 'n all

I like that one. Sort of an overspill curse. Even better than that NB 'Perish Song' thing.

Dwemmer Weaponry: Gives everyone on the battlefield machine guns.

I would make:

Silent Leap Combo: Turn invisible until you leap high up in the air and strike.

Spellmaking confirmed!

jk, I would create a levitate spell, there's been an alarming lack of that in recent ES games (for good reasons though). As for weapon technique, I don't know.

something like http://www.wowhead.com/spell=72350