Tarrasque? From DnD?

Exactly.
As far as I know, this has no relation to MGE, it's just a D&D-themed monstergirl.

nice concept but i still wouldn't hit it.

This reminds me of a sexualized deathclaw from fallout. Oh the ptsd form those encounters

worldendDominator said in comment #1349612:

Exactly.
As far as I know, this has no relation to MGE, it's just a D&D-themed monstergirl.

It does! Sorta. When MGE started becoming popular in the west, the a and jp boards of 4chan began hosting monstergirl threads where people chatted, shitposted, shared art. The girl here was based on a popular story by ELH, which you can read here:

https://archiveofourown.org/works/94088411
https://pastebin.com/KMYvY8Ds