Originally Posted by
Veloran
The issue is we have no evidence for previous Warriors of Light ever stopping any Calamities. Historically they're known to appear on the eve of an Umbral Era, which implicitly suggests that they have a very low success rate. Even the instances where we know they've done heroic things, such as with Tenzen or Ramza, we neither know if those situations would have developed into Calamities (as Ascian involvement looks to have been zero), nor to what degree Hydaelyn was even involved.