Flexor the Mighty!
18/100 Strength!
Am I missing these somewhere or have they not been adapted or whatnot for 5e?
Since I am curious and really like your comments. I've bought your Depth of Felk Mor.
For the rot grub, as the old timer that I am. I love them.
I would've add this for the medicine check
A successful medicine check inflicts 1d6 dmg to the patient. After all, trying to burrow a knife or pliers in somebody does do damage.
An unsuccessful check will inflict 2d4 in addition to the damage the grub's doing.
In my defense, the PCs would be only level 1 or 2 when they encountered them, and there were 12 grubs. So even a +1 was rough the last time we played it+1 bit seems to make them not very effective, I'd go with more of a save situation I think.
Rot grubs are the best example of the "everything is trying to kill you, so don't touch anything without spending an hour to examine it first" mindset, which was popular in the early editions. Their absence in 5E is almost entirely because the designers are trying to take the emphasis away from that playstyle.I wonder why these were not put in the DMG or MM though. To me rot grubs are almost an iconic D&D monster/hazard.