King Oakshade unleashes a bombardment of deadly acorns! Anrothe blocked with Block. Anrothe discarded Block. Dircir took 5 Crushing damage. ???
Acorn Bombardment and other burst or aoe spells don't get blocked by a single block. Basically, you only block the damage part of it - the card isn't cancelled, so any other characters in the effected are are still hit.
If a character blocks an AoE attack, it cancels the effect only for the character who blocked it. So ya Dircir took the damages but Anrothe who blocked didn't get damaged at all. It will be the same for cards like Cone Of Cold, Firestorm or Whirlwind.
Oh man I was inattentive. Yes yes, Anrothe discarded Block. BUT Dircir took 5 Crushing damage. Those are both clerics so I mix em visually sometimes. Sorry, you are definitely correct.