Linkin Park - Castle of Glass Lyrics Meaning

"Take me down to the river bend,
Take me down to the fighting end."
I believe the 'river bend' is any location any where. The 'fighting end' to me is a struggle or conflict. Together it's taking you to where the conflict is.

"Wash the poison from off my skin,
Show me how to be whole again.

The 'poison' is anything that would be considered bad or unwanted, asking to take what makes me unwanted and disregard it. 'Show me how to be whole again' is how can I prove I'm one complete person. Together I see it as asking to disregard or look past my undesirable qualities and see the real me.
"Fly me up on a silver wing, Past the black where the sirens sing"

'Fly me up on a silver wing', to me a 'silver wing' would be something beautiful. So hold me up on something beautiful. The next part to me is passing by the 'black' which I see to be evil 'where the sirens sing' is on the ground where temptations and evil people that would try to lure me or bring down. Together it's keep me high up on something beautiful to past by the dark areas where people would try to bring me down with there temptations.

"Warm me up in a nova's glow
And drop me down to the dream below."

I see this as something of comfort, where 'warm me up' is make me feel warm and welcome next to 'nova's glow' which is material ejected from a star in the form of a luminous cloud. The 'nova's glow' is a nice gesture. Together I see it as make me feel welcomed with a nice act.
'Drop me down to the dream below' can be bring me to this place that I've only only ever imagined. Them together is make me feel welcome with nice acts to show me this place of kindness I've only imagined.

"Cause I'm only a crack in this castle of glass'
Hardly anything there for you to see"

Saying you are a 'crack' is saying you are an imperfection or a flaw, and in this 'castle of glass'...ok just try to imagine a great castle forged from glass, to me that's a beautiful sight. Anyway in the 'castle of glass' meaning place of beauty. It says that I'm nothing more than a flaw in this beautiful world. 'Hardly anything there for you to see' I see this as the lyrics says, I'm hardly something you wish to look apon, putting yourself down as nothing worth anyone else's time.
Together it's saying I'm nothing more than a flaw in this world of perfection, how I'm not worth anyone's time.

"Bring me home in a blinding dream,
Through the secrets that I have seen."

To me this says to take me home in a 'blinding dream' which I see to be a horrible sight 'thought the secrets that I have seen' is the horrific sight. So take me away from the horrors that I have witnessed.

"Wash the sorrow from off my skin, show me how to be whole again"

'Wash the sorrow' is to take away the sadness 'from off my skin' which I see to be someone's entire being. And 'show me how to be whole again' is asking for help filling an emptiness left by the sadness.

Truely a beautiful song

If I missed anything I apologize. This is what I see that the song means. I didn't base my opinion off the music video or any of its uses. I based my opinion of the song off of how it sounded to me.