All other trees are optional. Suggestions? The Destruction spells look cool and work well with a 1-h spell + 1-h melee mix, but I hear that a lot of people are having trouble getting PURE Destruction to be useful without mastering other schools of magic first.
To summarize, I want to be a battlemage. Will master Destruction, 1-handed and Heavy Armor. Suggestions for other skills + perks that might be useful? Thanks.