Shape #2:"AGREED! SHE ALWAYS MAKES THE FUNNEST TOYS!"
You notice an over-sized grin as the third addresses you.
Shape #3:"Ignore the others... Would you like a taste of our power?""
As the ghostly shape speaks, you notice its large mouth opening wider and wider. Thick black smoke spews forth and envelops the room. You cannot see or breathe...
Just before you lose consciousness, the sensation stops.
Whatever those things were, they are gone now. You continue on, feeling rather hollow.
Shape #3:"How disappointing..."
Shape #1:"You will join us sooner or later."
Shape #2:"HA HA HA HAHAHA!"
The shapes fade away, leaving only the unnerving laughter ringing in your ears.
This event is one of the most high-risk, high-reward. On one hand, you lost a hefty amount of your max HP, making it considerably harder to survive combats. On the other hand, that risk is offset by Apparitions obtained. Its Intangible can make a big incoming attack trivial. There is a few thing to consider before you choose [Accept].
Unupgraded Apparition has Ethereal. This usually means you have to immediately use it the turn you draw it or it will be removed for the duration of that battle.
Cards that allow Apparition to be played multiple times, like Burst or Echo Form, greatly improve the value you can get from it as you will get 2 Intangible from one use, extending its duration for a turn.