loot containers

Players in Arc Raiders need Sentinel Firing Cores to upgrade their Gunsmith to level three. These cores are obtained by defeating Arc Sentinels, which are rare sniper turrets located in specific areas. Key locations to find Sentinel Firing Cores include: - Digging Up Dirt quest - Spaceport: Rocket Assembly, Container Storage, Control Tower A6 - Blue Gate: Northeast concrete area of Checkpoint, tower in Pilgrim's Peak Additionally, players can loot Arc couriers, which are large containers found throughout the maps, particularly around Research & Development on Dam Battlegrounds, for a chance to obtain Sentinel Firing Cores.