Talk to Astrid at the Greenholm Temple
-500, 64, 14
Go to the Kyurem shrine in Northrun
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Climb to the top
Once you've arrived at the top, follow the path into the shrine
Eventually you will reach the maze, there are 3 mazes in total
If you want a video guide I will link one, if not, then just try to follow the instructions
Maze Video: https://www.youtube.com/watch?v=suiCvThE-QU
For this first maze I would advise hugging the right wall
You should make it to a staircase like this for the path out
This next maze you only have 1 minute to complete, so you gotta be fast, my advice is to hug the right wall again
For the last maze, it's an illusion, you might think you're at a dead end but the path can still open up, my advice is to hug the left wall
About the halfway mark you'll reach a room that looks like this, if you don't see it, then you're not going the right way
After completing the last maze, pickup Kyurems pokeball
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You and Astrid will replace the real pokeball with a fake one to fool Statera, now follow the path out
On your way out you'll notice some Statera members, this can't be good…
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Fight the Statera members
Statera Pokemon:
Statera member #1: Level Cap 90
Fight the next Statera member
Statera member #2: Level Cap 90
Battle Vidar
Vidar: Level Cap 90
Battle Danielle
Danielle: Random Order, Level Cap 90
After winning against Statera, Professor Hemlock calls you from the pokegear, you will have to meet up with him at Findale Harbor (/spawn)