Hello ,

I started to play a vampire at level 21 and found that with the below i could plow through all content.

Still using the Velocius Curse + Crystal Frag + Endless Fury even now @ VR5 content , its just that good

Invigorating Drain is the moph i went for , because it gives + ultimate for each tick , besides the massive heal which is a full heal if you don't cancel it

If you need to control some mobs and stuff like that , you can swap Drain with Destructive Clench , which , with a fire staff gives the mob a knockback+ stun

http://esohead.com/calculator/skills#mMzzev9k8jKvQ8NUVF8NNgI8AIQ18A4hI8jKEL8A4rK8NNgI8AIPq8heaj8heam8NUoE8e7Mraqk8v7mLanU6LanW8H7xmzf26czwc6LbHm6MNieT8J7DrziD6LziY6MNUIz6MNUIi8K7bLkg6LzuN6rzun6MANRQ8O7mrdeB6rdeF8Y7orfJI6LfJN6zjFYd6MjFYi8zc7zzgeXm8zf7zzNbo8zu7zzHfYE6zHfZd8zG7zzHQ3F8zI7zzJIoX6zJIkL8zN7zzJZcY8zA7zzKpUN8zL7zzK4EX

With this build i never used pets , except to get my Daedric Summoning high enough to get the Curse.

Wear 5 Light + 2 Heavy , you don't need to go full 7 light since you will hit the softcaps really fast with just 5.

As a last note, obviously , the rank 4 on the skills is not something i had at the time , but this is what i was aiming for

Edit : Almost forgot to mention , as a vampire , fire mobs will be a rail pain for you , so get a fire enchant for 1 piece of jewelry and remain @ starvation rank 4 , it gives the most benefits