Is it possible to write a Lineage or Mu server in Node?

Question

Node.js

Gentlemen, I'm interested in such a question, is it possible to write a game server on a node?

Answer 1

Answering the question in the BODY: yes, it is possible to write a game server on a node. Not everyone, but in general - it is possible.
Answering the question in the title, the question is: do you have a complete description of the protocol and all the game logic to write the CORRECT server of the line or mu? If yes, then see above.