The Gauntlet of Shar is a unique dungeon in Baldur's Gate 3 that will directly tie into Shadowheart's Companion story. The Gauntlet is run by those who wish to become Dark Justiciar, and that is Shadowheart's dream.
Baldur's Gate 3: How To Get The Spear Of Night
The Spear Of Night is a unique weapon that players will need at the end of the Gauntlet Of Shar, here's how to get it in Baldur's Gate 3.