Arkham Horror
When during another investigator's test can you cast Intervene?
Several posts agree on the timing, but there is no official ruling.
- Clipper · Community · 2020-06-10
- bleached_lizard · Community · 2018-11-11
- Clipper · Community · 2018-11-11
At any point during their test, though usually after the dice are rolled and before the result is totalled. You cannot use it during your own test.