Fiestblock

Fiestblock is a character in Numberstairs.

Appearance
He has 5Pi/Upsilon red blocks, 5Pi/Upsilon orange blocks and 4Pi/Alpha yellow blocks. He also has spikes on his back and his eyes are outlined with a really deadly colo(u)r and he has a snake tongue whose temperature can go up to 260 degrees celsius.

Facts
Nothing can be more powerful than him.

He can be very dangerous. Watch out!

He can scare away anyone but Party.

His Halloween costume is the latest Saucer image from the NFG wiki.

His Christmas costume is the Grinch.