Heavenly Falcon is a Sword Kit for Jin's katana and tanto. It is a reward for finishing the Mythic Tale "The Heavenly Strike", and like every kit it changes looks only.
Pick up the Mythic Tale "The Heavenly Strike" and see it through to the end. The kit is handed over with the tale's other rewards, so there is nothing to hunt for afterwards.
Only three Sword Kits come from Mythic Tales, so this is one of the rarer looks for your blades.
Image: Sucker Punch Productions / PlayStationAzure Dragon
Azure Dragon is a Sword Kit that reskins Jin's katana and tanto. You collect it from the Pillar of Honor on the east side of the Endless Forest in Kamiagata, and it is purely cosmetic.
Bishamon's Fortune
Bishamon's Fortune is a Sword Kit that reskins Jin's katana and tanto. You collect it from the Pillar of Honor just north of Little Monk's Pond in Toyotama, and it is purely cosmetic.
Breath of Hachiman
Breath of Hachiman is a Sword Kit that reskins Jin's katana and tanto. You collect it from the Pillar of Honor between Old Kanazawa Marsh and Iijima Farmstead in Toyotama, and it is purely cosmetic.
Dueling Festival
Dueling Festival is a Sword Kit that reskins Jin's katana and tanto. You collect it from the Pillar of Honor east of Fort Ito, out in the Old Togo Rice Fields in Toyotama, and it is purely cosmetic.