[Gameplay] Stuck in door at Santa's workshop using Blink.

[Zekke]

Walk about 2/3's up the first room where you normally fight presents and blink into the open door. You won't enter the next room, but the door will be closed on you. You can get out either by quitting or teleporting farther upwards and even farther out of bounds and then using a portal.

Spoiler

...also blink makes the room where Luke has to solve a puzzle really easy...