thinking of starting a mystery corp full of young teenage sleuths. Something kinda illegal (as just like in scooby doo, they will investigate areas where are off limits) lmk if anyones interested! (this could have as many ppl as possible)

Hello there! While I was running around the city to level up my skill in running, I came across a new sewer entrance! The tunnels are quite long, dark, and ominous! If you continue further down into the tunnel, you will see something suspicious or rather creepy. Well, these signs already...

This is the entrance... I already can see some blood (redstone)... I see a cauldron with blood around it. Already can assume something is going on... Suspicious door: Don't ask me how I got here. [/SPOILER] [/SPOILER] Any possible theories?