A 30 days MVP rank in-game which gives perks listed below:

Raid Alerts via discord example:

Note: VIP and MVP ranks are two separate ranks with separate perks. Also, once you buy MVP - your old vault will be accessible via /vault member and VIP vault (if you have VIP rank) will be accessible via /vault vip.

Make sure you are logged in into the right Steam account before purchasing. This rank will be given within 2 minutes from the moment you join server.