Patch 1.10 adjusted PVP Poise Damage of all Weapons including some Spells and Incantations. Glintstone Staff PvP Poise Damage Values in Elden Ring
You may want to wait for the mercenary to pass again, because he takes actual effort to fight (whereas the sorcerers have bad eyesight and go down quickly). After killing them, turn around, and there is another sorcerer & retinue traveling down the road. One sorcerer & retinue will be coming down this slope from the camp above. Wait for the mercenary patrolling the road to ride by, then head across the road and left until you're climbing the slope. You should see a the Agheel Lake South grace point on a little shelf below the road. From the grace, there are at least 4 noble sorcerers nearby, but 2 are easy to reach. Cut around the bottom of the lake, avoiding the patrolling mercenary, and then cut Southeast across the field toward the road. From where you enter Limgrave, head Southeast and look for some stones you can use as steps to drop down without dying, they'll be close to the border of the lake. Early game, you can farm for this on the noble sorcerers Northeast of the Agheel Lake South grace in southern Limgrave.Behind the large broken tower ruin where the Troll-pulled Carriage's caravan starts it's journey. Drops from a lone Noble Sorcerer, south of the Waypoint Ruins (and west of a small collection of graves).Has a chance to be dropped by Noble Sorcerers at Caria Manor.Starting Equipment for the Prisoner Class.The Glintstone Staff weapon can be found at the following location: Where to Find Glintstone Staff in Elden Ring
Sorceries must be memorized first at a site of lost grace, and a staff must be equipped to cast them. Staff with a glintstone embedded at the tip.