Question: call of duty modern warfare how to get obsidian?
Answer: Assault Rifles: Get 15 kills in a single match 200 times., SMGs: Get 15 kills in a single match 150 times., LMGs: Get 15 kills in a single match 150 times., Shotguns: Get 15 kills in a single match 150 times., Sniper Rifles: Get 15 kills in a single match 125 times.