====== Diviner's Insight ======

^Power:         |4|
^Casting Time:  |Reaction|
^       Trigger:|An ally fails a saving throw|
^Range:         |Sight|
^Target:        |Ally in Sight|
^Duration:      |Instant|
^Provokes:      |None|

You notice that a creature is about to do something that will end poorly, and act to save them.  Even a shouted warning can be of assistance.  Roll 2d10 immediately;  your ally may replace either or both of the dice that they rolled with either or both of dice that you rolled.