There are various activities scattered around the map of Shadow of Assassin's CreedAnd you can easily specify with their orange icon Most of these activities want you to go to one point and start them by interacting with something or one point.

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Assassin's Creed Shadows: All the main characters and their voice actors.
Each va gives everything in this one.
The hidden path is the only activity that does not ask you to do specific things because you have to follow the path, which often leads to other interesting points. The secret path is one of these hidden routes, and this is a way you can overcome.
The path of secret position
Before you start traveling on the secret path, you must search first. Head to Yamato province in the shadow of Assassin.– You can see the Asuka stone basin in the west of this province with Katsuragi area to the northwest.
From Katsuragi Kakurega in this area You will see a small road in the southwest direction.– This road will lead you directly to this route. It is recommended to not try to make this route at night or in the winter because the route is hidden.
You still want to start these routes with NAOE because theySually has a little rope and a small gap that must pass.–
How to overcome the secret path
After you reach the place for a secret path, you can start your journey by going to a broken bridge in its place. You can do it here. Swing twice to the other side of the bridge and to the left route.– If you decrease too low, you can increase height by pressing the TogGle Ascend/Descend button.
When you go to the left, you will see a small branch on the left. Jump over this. On the yellow platform on the next tree.Where you can fight the next bit again. Parkour up on the front wall and you will find a space that you can squeeze through the lamp.
After passing this gap, jump on the tree and go. Along the way before going up a few more walls– Walk up to your front wall until you notice the other gap on the left. You don't have to squeeze through this gap and pass it. You can jump into another tree.
To the end of this tree and jump into the pulling to Search for the end of the outside on the other side.–
The path of a reward secret
When you reach the right chest in the path of secret The different sound effects will play when the chest icon appears on your hud.– The opening of this chest will give the Sumire's leading hat for NAOE, 1,000 EXP and one knowledge point.
You can see the recommended level for the route when you put the mouse over the map. You can do it easily, even if your level is lower than recommended. Moreover, if your level is higher, the route level will increase according to your account, which means The gear you received at the end will be at the same level as your current account level.–

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Assassin's Creed Shadows – Iron Hand Guild's assassination manual
The Iron Hand Guild is one of the quests inside the Creed of the Creed of Assassin and this is a way you can easily overcome.