Using the word night crossed my mind when I made it. But then I wasn’t sure if it would fit with the situation OracleD3 had in mind. Was it like a curse/spell that would make it night forever in which that evil would reign, etc? If so, then yeah the word night would fit. But there was no way for me to know what was going on, so I chose blight which would instead fit with whatever the evil had done and will do. As for end, it could work, but then the word endless would have to be swapped for another word, as it would sound kind of weird “end your endless”. But then the last sentence would have to be changed to signify the spell destroying the evil instead of sending it back to hell.
Anyone can feel free to tinker with the spell and change it up to see what sounds best. I may try changing or rewording the last sentence for it to signify vanquishing instead.
Edit: I get what you’re saying. So instead of using banish twice, use end in place of the first instead, but leave the spell as a banishing one and keep the 2nd banish as is? Changed endless to vile as well and kept the rest the same. Or end could be changed to cease or something similar to give it more oomph. Brainstorming, maybe purge would fit better?
I call upon the Light from within, no longer will I let your evil win. I summon the essence of the moon and stars, grant me thy power from afar. Flow through me and grant me thy cosmic might, for I shall purge your vile blight. Back to the hell from whence you came, I hereby banish you in my name; [insert name]. [Shout spell name]