Arrow Peak Shrine is a Shinto shrine climb in Azamo, Izuhara, dedicated to Inari, kami of agriculture. Reach the summit to earn the Charm of Inari, a major charm: increases the supplies, predator hides, bamboo and yew wood you collect.
Look for the torii gates north of Sakimori Overlook in Azamo. It is one of the 7 Shinto Shrines in Izuhara.
Along the climb you pick up scrolls left by a boy whose family hid at the shrine from the Mongols. They tell of the father's arrow wound, his fever and his death. Near the top is a shelter with a fireplace and two burned bodies.
Adachi Estate
Adachi Estate is the abandoned home of Clan Adachi in Izuhara, where most of Lady Masako's family was murdered. You investigate it in The Tale of Lady Masako and come back during The Husband.
Aoi Village
Aoi Village is a village on the Tsutsu Plains that the Mongols occupy at the start of Act 2. Freeing it gives you the Key of Aoi, one of the keys for The Unbreakable Gosaku.
Azamo Bay
Azamo Bay is a Mongol-held port town in Azamo Prefecture. You sneak in during The Broken Blacksmith to rescue Taka, then free it for good in Unfinished Business.
Beachside Camp
Beachside Camp is a minor Mongol camp on Izuhara's west coast. You will find it in the Tsutsu Plains, close to the Kishi Grasslands. Clear it for iron, a small Legend boost and progress toward a new combat stance.