Nara
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To/From
Japan Forest 4 112, 198

Gate Spell works as in other cities (N/S/E/W)

NPC coords:
Joya 118, 188
Nara Sunset 165, 172
Nara Shaman 127, 179
Nara Inn 093, 101
Nara Messenger 028, 059
Nara Smith 188, 077
Nara Palace (Quest No. 111 Required) 112, 038 / 118, 038

Dungeons:
Iga Iron Ninja 012, 179 / 017, 179
Iga Shuriken Ninja 086, 158
Iga Sword Ninja 020, 148
Iga Poison Ninja 038, 010 / 042, 010

Kyoto
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To/From
Japan Forest 4 001, 015

Don't use gate spell here or otherwise you'll be warped to Nara

Mythic EX 038, 006
Vortex 016, 38

No known NPC or dungeon yet as per may, 2020 but there's one peculiar hit-able (can't cast any spell though) "Anubias Flower" at 013, 001