Crimson Dragon

To obtain this achievement you must complete any 25 missions in Multiplayer.Finding games in multiplayer takes forever change your search settings to "no preference" for difficulty and mission.This will drastically increase matchmaking times,once you find a game you can then change the difficulty and mission you wish to play.I'd recommend playing the mission "thinning the herd" in the "lava lake" missions easy to get S rank loads of experience and one of the shortest and easiest maps in the game.

*If you're still having trouble connecting make sure your NAT type is Open you can check this by navigating to settings on the Xbox one and selecting network.The ultimate way to eliminate this problem is to plug an Ethernet cable (Rj45) into your router/modem.If problem persists you might want to consider opening ports which can be done on router gateway.*

While going for this achievement you should also obtain the following achievements: