This is a first draft, so any and all constructive criticism welcome:

ANGEL

Battering, banging and utterly relentless
An assault so vile that I cannot repress
All the horror and pain causing my distress
Bruising my prone and ever-so-tender flesh

There's a burning beast crouched over me
Slavering and raking me
Shaking me

But in my mind I remain strong and whole
[Inside you, in your cool and fluid heart]
In my mind I wall in my soul
[Store up hope - hold yourself apart]
Then I feel a cleansing wash of calm
[No matter what, I will always be here]
A voice of reason brings a soothing balm
[Wrap your self in me against the fear]
Angel

Feeding off my strength every eternal day
Using my soft flesh in rank, infernal ways
My only defence is to remain totally enclosed
To keep my true self safe, unexposed

There's a burning beast crouched over me
Slavering and raking me
Shaking me

But in my mind I remain strong and whole
[Inside you, in your cool and fluid heart]
In my mind I wall in my soul
[Store up hope - hold yourself apart]
Then I feel a cleansing wash of calm
[No matter what, I will always be here]
A voice of reason brings a soothing balm
[Wrap your self in me against the fear]
Angel

I find it in me, the power to survive
I can't move my tormenter or thrive
I endure unholy appetites and drives
Because I can keep myself safe inside

There's a burning beast crouched over me
Slavering and raking me
Shaking me

But in my mind I remain strong and whole
[Inside you, in your cool and fluid heart]
In my mind I wall in my soul
[Store up hope - hold yourself apart]
Then I feel a cleansing wash of calm
[No matter what, I will always be here]
A voice of reason brings a soothing balm
[Wrap your self in me against the fear]
Angel
[No matter what, I will always be here]
Angel