Chapter 124- Kaisa: The Smiling Demon (Part 1)
The huge door was so intimidating to look at as it not only gave this, weird, bone-chilling feeling as if danger was looming over it but also because of the engravings on it. Even though Rin didn't have any idea what they meant, he could see that it was not something wholesome written there.
The other thing is the dry, pale-brown spots riddling the door. From just one glance, Rin could tell that these were blood spots. He didn't know whether it was really actual blood or not but it still made him even more serious and focused.
After that, he stepped closer to the door and pushed it open. He needed to use a good amount of strength to push a door that huge.