If the core is destroyed, you can proceed to sites 4 and 5 coming from site 3. Regardless of which way or site you go, it will not affect the story in any way, so you may choose the one you like. If ever you get lost, we recommend you to go to site 4 which also contains many Sardinium that you can get from the boss.
You Cannot Ink Ice & It Is Slippery
The icy area that occupies the large part of the center of the map cannot be painted with ink, it is also very slippery. It will be difficult to move around, and you will be prone to bumping. Carefully control your character in this area.
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