Image: Sucker Punch Productions / PlayStationNo screenshot of The Undying Flame yet. This one shows Kamiagata (Sucker Punch Productions / PlayStation).
The Undying Flame is the last Tsushima Mythic Tale, at the foot of Mount Jogaku in Kamiagata. You climb the freezing mountain from fire to fire and learn the Way of the Flame, which lets you set your katana alight with Incendiary Oil.
Part 9 of 9 in Mythic Tales
Look for a traveller struggling to keep warm near Mount Jogaku. It is Yamato, too cold to light his own fire. Light it for him and he tells you about a fire that fell from the sky onto the mountain, and a fighting style born from it.
Warm up at each fire before you move on. The route uses your grappling hook several times, crosses a tightrope and a tree bridge, and has packs of dogs to deal with. Use Focused Hearing at the third fire to pick off dogs before you leave the warmth. A samurai waits at that camp to talk while you warm up.
At the top, Bettomaru has you take a chunk of the burning rock, then duels you to teach the technique. Press R1 when he prompts you to light your katana. He yields at around a third of his health and gives you Incendiary Oil. Head back down and talk to Yamato to finish.
Equip Incendiary Oil with R2 plus the right stick, then press R1 to ignite the blade. Each use lasts about 8 seconds. Buy more oil from Trappers or loot it in Mongol camps, and raise your capacity at a Trapper with predator hides.
The Curse of Uchitsune
The Curse of Uchitsune is a Hiyoshi Mythic Tale in Izuhara, where you search for a legendary archer's cursed bow. Finishing it gives you the Longbow, the longest-range weapon in the game, plus Explosive Arrows.
The Heavenly Strike
The Heavenly Strike is the first Mythic Tale, set in Komatsu in Izuhara. You hunt a killer who wants Shigenori's legendary sword technique, and finishing it teaches you the Heavenly Strike, a fast unblockable katana attack.
The Legend of Tadayori
The Legend of Tadayori is a Mythic Tale in Azamo, Izuhara, about a famous archer and the kami-blessed armour he wore. Finishing it gives you Tadayori's Armor, the set to wear if you fight mostly with a bow.
The Six Blades of Kojiro
The Six Blades of Kojiro is an Umugi Mythic Tale in Toyotama, where you duel five Straw Hat assassins and then Kojiro himself. It has more duels than any other single tale, and it rewards the Kensei Armor, a set that boosts Resolve and Ghost Weapons.