Special weapons (Halo 5: Guardians)

"So special"

— Halo 5: Guardians Official Game Guide

Special weapons are unique weapons hidden in the campaign missions of Halo 5: Guardians.^[1] Note that this page does not include the Co-op-only Oathsworn or the Legendary-exclusive Prophets' Bane.

Locations

Open Hand - Found on top of a ledge near where Promethean Soldiers are first encountered.
Loathsome Thing - Found in a pair on ledges by where the Kraken is first sighted, one on the left and another on the right.

Blaze of Glory - Found on a ledge by a mission intel pad, just before the catwalk to Central Control when leaving the assembly bay.

Talon of the Lost - Upon reaching the second group of Covenant, climb the rocks on the right. The weapon is hidden below the ledge where fuel rod cannons in a weapon crate are.
Pool of Radiance - Before crossing the light bridge that will trigger the second cutscene, climb the rocks on the left and find the weapon against the cliff wall at the back.
River of Light - Found in the valley where the Warden Eternal is fought, hidden in a crevice on the far end and in the right wall.
Twin Jewels of Maethrillian - Found in the cave where Cortana leads the Spartans of Blue Team to the Gateway. It is on top of the largest rock pillar on the left path, on the opposite side from where the Phaetons are parked.

Light of Urs - Found by a ledge after the first bridge and by a dead Grunt with mission intel.
Spitfire - Found on a ledge nearby a terminal with mission intel, after the vacant Wraith and the first crashed Pelican.
The Answer - Found in a pair just before the Warden Eternal duo fight, with one on the left of the entrance by a crashed Pelican and the other on the right.

Didact's Signet - Found on a ledge after the first lift, just before the next section where another pack of Promethean Crawlers will spawn.

White Scar - Found behind burning wreckage in the first site where Covenant are fought.
Vorpal Talon - Found on a ledge in front of the first gravity core.
Twin Jewels of Maethrillian - Found on a ledge overlooking a gravity core.