Casting:: 10 minutes
Components:: F, S
Mana:: 1
Range:: Sight
Duration:: 24 hours
Effect:: You create visible clouds in a portion of the sky within your sight, forming either a symbol or a message of up to ten words. The formation remains fixed in place for the duration. A strong wind may scatter the formation prematurely, ending the spell early.
Upcasting:: For each additional mana spent, the duration increases by 24 hours. You can upcast the spell with a maximum of 3 extra mana.