Observable

Sometimes it just doesn’t make sense to be able to succeed at a saving throw.

In theory you’re meant to duck behind cover, hide behind a shield, or curl into a ball to reduce the impact. But when there’s a sudden fireball that catches you unaware or you’re caught in an exposed area with no cover, it’s weird trying to justify avoiding half a dragon’s breath weapon. But trying to even contemplate the alternative, with expansive cover-based DCs or modifiers makes my head hurt…