You'll know it when you see it, indeed. That said, he calmed down and reread everything, with a few key words making him feel complicated.
"The user will experience intense muscle spasms, accelerated heartbeat, and temporary blackouts.
"Has a 30% chance of death for the physically weak and has a 40% chance of insanity for the weak-willed. Possibly both."
"..."
Damn. That is terrifying.
He closed the panel and stared at the sky outside the window—which was made of glass, by the way—next to him. The curtains were tied by default, allowing natural light inside, and this allowed him to see the blue skies even from where he sat.
Should he really do this?
With his inn and barrier and possible strong customers to clear out the monsters for him, it was a question whether he really needed to rush and drink the potion or if he could just take his time to gather those cores and try to awaken naturally, even if it was unlikely.