Destroy a Titan with your Sword Core in the Campaign

Acquire 6 or more friendly Stalkers at the same time in the Campaign

Used the Arc Tool to activate a Stalker rack

Found the Arc Tool

Destroy a Titan with your Laser Core in the Campaign

Find 25 Collectibles

Kill a Caged Prowler in the Wildlife Research Labs

Destroy a Mercenary Titan with a melee execution in the Campaign

Defeated the Reapers in Ash's Simulation Dome

Entered the World Foundry

Destroy a Titan with your Flame Core in the Campaign

Defeated Kane