What mod is this?
Stalhansch's Tribal Fortress. Neat mod so far, though producing water is kind of annoying because of the amount of buckets and barrels needed to keep a decent flow of it in non-welled format.
He hasn't updated the mod in a while, but he was planning on adding a few more critters and considering an archeology/relic hunting system of sorts (usually you'd find stone, wood, pottery, or bone crap, but sometimes you'd get super lucky and find old bronze weapons and armor that can be pressed back into service for the tribe.)
Be forewarned, combat is much more brutal in the context of the mod, with no metallic armor and nonmetal stuff being apparently buffed to be able to seriously fuck someone up - most common cause of death so far has been "skull bashed in by Emung's granit beat-stick," followed by "stabbed to death with a bone-tipped stick." There's also no soap, so infection will probably claim more warriors that actual combat.
Leather, bone, some gems, and certain stones are also now stupidly valuable due to the risks in obtaining most of them or their usefulness in making weaponry. Making armor is also rather resource intensive, needing large amounts of leather cords just to make a single suit of body armor.
Water is also the only source of drinks besides cavern brews, which as you may guess could potentially kill your tribals with alcohol poisoning (as you play as humans,) though they are quite valuable, making settling on a cave a lucrative, if hazardous, proposition, to say nothing of the ample large game and silk to be had.
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Another tribe integrates, most of them warriors, if aged ones. We'll need more than a looted club and a rose quartz long knife (mod's closest thing to a sword,) to adequately equip them. In the meantime, the Horses march.
The goblin tribe will be exterminated once and for all. The tribe will have all the silk. ALL OF IT.