Reach a Muspelheim Monolith (Dawn of Ragnarök)

Complete Ragnarök - Part I on any difficulty.

Earn all Gold Medals available in Mastery Challenge

In Stalingrad, hit a halftrack with a Molotov Cocktail

In Campaign, Tactical Sprint through 5 Destructible walls

In Operation Tonga, throw smoke from the anti-tank ditch to provide cover for the charge

In Campaign, kill enemies with 15 different weapons throughout the game

In Campaign, die by your own grenade’s explosion

In Campaign, get 15 kills using Blind Fire

Reach level 55 in Multiplayer

Reach max level with a weapon (base game weapons only)

Sacrifice 13 Hearts

Eliminate 10,000 zombies