Chapter 191: Sealing Legendary Abilities?

System Notification:[Warning: The Devourer of All Things may appear in any unexpected place and situation. Players, remain vigilant.]
That was the only message from the Hall of Valor.
And then, nothing more!
The boss is already in our faces, and you're telling us it can appear unexpectedly anywhere...
What's the use of that information now?
We need to escape its pursuit first, before worrying about avoiding surprise attacks from this boss!
Every player who saw the...