if the tenebrore isn't some ultra evil damagey material, pick up a shard just in case
and proceed
Briggs picks up one of the shards, despite that not being a mission directive. The squad then moves through the corridor. The door closes behind them and locks.
Here they come to a T junction and into the presence of a drunk Triangular fellow. He appears to be unaware of their true purpose in the mine.
Environment- An electronically sealed door