Armun turns back to the rest of the party, and calls,
"The corridor branches off in several places. I'd rather open up this door before we get lost in an underground maze." He walks back up the stairs to where his companions wait, taking his time with each step. When he steps out of the smooth stone corridor and onto the ground, his footsteps leave half-inch deep impressions in the dirt, clearly showing the detail of his two-toed feet, and send up tinny puffs of fine dust. He drops his hammer back to the ground - which leaves an impression as well - and leans on it, surveying this mishmash of people whom he was about to venture into unknown danger with.
The corners of his mouth turned down in an expression not dissimilar to concern.