From Pathfinder Lost Omens Knights of Lastwall, which isn't enabled.

Knight Captain's Lance

ITEM 13

UNCOMMON DEADLY-D8 DIVINE JOUSTING-D6 REACH

Price 3000 gp

Usage held in 2 hands

Bulk 2

Category martial

Group spear

Damage 1d8 piercing

The appearance of this beautifully crafted +2 disrupting greater striking lance changes to match the armor of its wielder. It has a cloth flag attached behind the lance point that displays whatever heraldry the wielder wishes.

If a cavalier with the Cavalier's Banner feat takes the knight captain's lance, it instead automatically displays the banner of their pledge.

Activate Interact

Trigger Your attack roll with the knight captain's lance is a critical success

Effect You raise the lance, inspiring those around you. Allies within 30 feet that can see you receive a +1 status bonus to their attack rolls and damage rolls for 1 round.

Pathfinder Lost Omens Knights of LastwallOGL