Terraniux
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96% is definitely not enough; you need exactly 100%. I must have made a mistake in my calculations when I said 108. The required level is probably a bit higher, but it's not difficult to calculate. Level 108 is the next one after 88. To reach level 108 and higher, you need a strictly fixed amount of experience, not just +1 level from the skill tree. The exact values are indicated in the physics engine.
Level 114 is needed. I'll try to get it in the editor now by adding tons of Pandoras.
Although this is impossible because after level 108, it goes down to level 0, then back up to 108, and so on.