Quote Originally Posted by OmegaFenix View Post
I've only, purposefully, taken on a mammoth once. Best way to raise your bow is sneak attack, there is a perk on the sneak tree that gives you 3 times damage from sneak attacks. There is also a dagger perk which gives you 15X dagger damage from a sneak attack. (all in the sneak tree) When not going for sneak kills I use dual ebony war axes instead of my blade of woe (A really awesome dagger)
Yeah I'm on 39 sneak now, @ 40 I can get the 3x bow perk of ossumness. I got the dagger damage one, but I never get within pounce distance of people to use it :/

I've killed 4 mammoths so far. Trick is to shoot off a few arrows then GTFO and outrun them until they get tired, while healing yourself and then rinse and repeat. But srsly, not worth the effort.