The Vikings at 831 AD.
The Thor's Hammer amulet is at the great Wall of China (1593) - climb to the upper right and beat the old man in a memory game.
The Thor's Hammer amulet found at the Great Wall of China (1593 AD) goes to the Vikings at 831 AD (2 o'clock on the time device).
On Time Tangled Island, go to the Great Wall of China (6 o'clock, 1593 AD ). At the upper right, atop the scaffolds, you will play a memory game against the old man. When you win, you get Thor's hammer shaped amulet (for the Vikings at 2 o'clock, 831 AD). (*you should also pick up the barrel of gunpowder at lower right)
The hammer-shaped Thor amulet goes to the Vikings at 831 AD (2 o'clock on the time device). Take the gunpowder from the Great Wall, too, to blast open the cave there.
The Chinese man at the upper right of the Great Wall of China (1593 AD) is not a king. But he has the Thor Amulet for the Vikings at 831 AD, and will give it to you if you pass his memory game. (Also take the gunpowder barrel from below.)
The Thor's Hammer amulet for 831 AD is at the Great Wall of China (1593 AD, 6 o'clock on the time device. The Chinese elder has it at the upper right, and you play a memory game to win it.Go to the Great Wall of China (1593, 6 o'clock on the time device). Talk to the man at the far right and play a memory game with him. If you win, he will give you the Thor's Hammer amulet. (It goes to the Vikings at 831 AD.)
Thor's Hammer is on Time Tangled Island. There will be a construction zone, and just beyond that is a man wearing the amulet. If you are able to beat his memory game, he will give you the Thor's Hammer amulet.
The Thor Amulet is at the upper right at the Great Wall of China (1593 AD, 6 o'clock on the time travel device). While you are there, get the gunpowder at lower right, to open the cave on the Viking island.
The amulet for the Vikings (831 AD) is at the Great Wall of China (1593 AD, six o'clock on the time device), along with the gunpowder to blast open the mountain cave.Dodge the falling bricks, climb up and right, and beat the old man in the memory game to get the amulet.
He is at the Great Wall of China (1593 AD), at the upper right side. If you can keep track of the tile as it moves, you can win the Thor Amulet for 831 AD.
It is to the far upper right on the Great Wall of China (1593 AD, 6 o'clock on the time travel device). You will have to beat a memory game. While you are there, get the gunpowder at lower right, to open the cave on the Viking island.
The Thor's Hammer amulet is at the Great Wall of China (1593 AD). Climb up to the upper right, where you have to play a memory game to get it. Return it to the Vikings at 831 AD. (If you cannot follow the tile, simply guess the upper left and you will eventually be right.)