One of the concepts I've done for NRFTW project at Moon studios.
It's the gate and symbol of the dungeon where players will spend tons of time in late game. It stylized for Iron Maiden torture device and have a cozy spikey interior, a small hint what to expect inside
Also more cool stuff from this update you can find here
https://www.artstation.com/artwork/8BWo96
This guy in motion.