"the sun will turn into darkness, and the moon into blood, before the great and terrible day of the Lord comes" Joel 2:31
"The sun shall be turned into darkness, and the moon into blood, before the great and notable day of the Lord" – Acts 2:20
It's going to rain here tonight so the rest of yall good luck with all that
I'm just an amateur occultist but I do not recommend doing that without access to a large amount of fire.
Edit: Like seriously! A friend of mine tried to call to them for aid and became addicted to the taste of their own flesh. I had to use gasoline to drive them off!