Ta'lau Boon of Dedication

The higher power called Ta'lau is now nearöy forgotten but in an ancient ruin south of Lebenheim, Herikka a group of adventurers made contact with Ta'lau itself and was granted a boon.
Reaction: once per long rest when you roll for a saving throw you may choose to use 8+[save modifier] instead of the result of your roll. You must choose to do so before the you know if you failed or succeeded but may look at the result of the roll before using this reaction.