the hidden spike can only be shapeshifted after emerging from the ground when the player or enemies get close to it, you can jump from the platform before the hidden spike and land on the block next to it. here I uploaded a vid explaining it.
Ah thank you! I tried that jump five or six times and always overshot it, I guess I just suck :P
I suggest you try go a bit back before jumping, thank you for playing the game so much!
