If you don't play old mobile ignore this tip

List of all possible tributing rewards with no bs:

* 5 amber (uncommon)

* Quality fur cap/chestpiece/leggings/boots/gauntlets bp

* Quality pike bp

* Quality simple pistol item

* Quality longneck rifle item

* 1 soothing balm item

* Quality shotgun item (If it's your first time tributing this artifact)

Also gives 4 rewards at a time

If you don't know what "quality" means, it means it can spawn as primitive/ramshackle/apprentice/journeyman/mastercraft/ascendant.