Traits

These horns are similar to crown horns. Both feature holes. These horns are mostly flat.

These horns are exclusive to Lunar Shijis. They can have a round, full moon-like sphere in between them that is glowing. It is not a must though.

A large, flat horn on the forehead. It has grow marks.

These are big horns that come out of the side of the head.

Horns that resemble crystal growth. These are not real crystals.

A big flat horn that looks like a scythe. It has a few spikes on the inside.

Macabre horns which grow out of and/or cover the Shiji's eyes, blocking their vision entirely. 
The form of the horns are part of the trait.
Spooky Create A Trait 2024 Runner-Up Submitted by @KeyLime.

Big, spiky horns that first go up and back and then go sideways in a circle. The spikes are only on one side of the horns: On top and on the outside.

A thick, round horn that grows from the middle of the forehead to the back. Like one of a parasaurolophus.

Pointy horns that twist in the top.

Echidna horns start at the base of the skull and grow over the head to the front, where they curl upwards in a loop. The base has spikes on the outside.

These have to have ridges that look like wrapped around thread.

Hook horns have a few spikes on the bottom and always end in a hook that moves to the front and then back.

Thorn horns have multiple spikes that stick into every direction. They always turn upwards though.

Sun horns are a growing in a circle, with thin spikes coming form it in a symmetrical way.

These horns have multiple banches that all curl upwards.

Large horns that grow sideways.

Plated eyebrows. Longer scales that grow upwards.

The horns have spikey points and start right above the ears usually.