The Ruby is a Hallowed variant of the Crimson.Post ideas in the comments. It has a chance to replace the Hallow.
Blocks[]
Dreamsand
Dreamstone
Dreamwood
Dreamstone Brick
Dreamwood Workbench
Dreamwood Table
Dreamwood Chair
Dreamwood Wall
Monsters[]
- Happy Slime
- Rubybat (Underground)
- Rubyslime (Underground)
- Unhappy Slime (Blood Moon)
- Posessed Pickaxe (Underground)
- Robin (Passive)