Why’d Casca block me?

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LordOTheFries
I won’t provide much patter. The situation is that on his ‘Alien Invasion’ thread, I pointed out that disease would be a particularly brutal weapon against the invaders and then, abruptly, block. No forewarning (that I know of), no explanation. I tried to DM him about the issue but, of course, block. What’s going on? Does he have some kind of beef with me? I’d really just like to understand the situation.
Master_Idriss
Idk sorry
LordOTheFries
Bump.