08-15-2017, 03:27 PM
(This post was last modified: 08-15-2017, 07:31 PM by DM Surranó.)
Shanna can't recognise the exact spell but it's something like Sculpt Sound. The rumbling of the waterfall is magically enhanced to dampen any speech in the area, making spellcasting with verbal components difficult if not straightforward impossible.