Stuck in Zi.

[Arty]

I've made my way to Zi. I think I missed some sort of high jump or double jump tech, and now I'm stuck. Can't progress forward, or even backtrack due to no high jump. I'm guessing that I probably have to restart?

[Смуглый Валерий]

no no. just move forward. And then u find a High Jump Ability. It's in 4'rth Zone.
Sorry for bad English ;)

[Keman]

Yeah, just keep exploring, you missed something in Kur, I think? I think that's where the high jump is.

[Arty]

I figured it out. There was a sneaky exit on the right side of a save point that I missed. Probably should have updated this after finding it. Thanks for the help tho, guys.

[Xane Tempest]

Was having a similar issue. Turns out I was just not noticing the random coral/fungus/growing stuff was limiting my jump height.
As is so often the solution: I started shooting until my problems went away XD