Just wondering if any of these skills and spells are mandatory for game completion? I watched part of a speedrun and they were used, but I assume they are just optimal for that scenario and not mandatory.
Acrobatics - jumping further lets you skip some switches or quest triggers besides getting around faster, but seems optional?
Blood fly - faster travel, climbing steep mountain walls, no fall damage, fitting into a couple of small spaces
Beetle - some steep mountain walls, maybe lessens fall damage a bit?
Telekinesis - Grab an item on a height at one point

Acrobatics is a very useful skill, because it allows you to move faster, jump further and roll during combat. You can use some otherwise inaccessible paths, making gameplay and exploration more flexible.

Being able to safely jump from Xardas tower, Swamp camp waterfall and other interesting spots to the lakes below is part of cliff diving fun.)

I recommend to learn acrobatics before anything else. However, it is not mandatory to complete the game.

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What do you mean by "beetle", a meatbug? You need this spell to enter monastery.

Telekinesis is necessary to grab a key to enter Orc temple for the second time and to take a focus stone in the Mountain fort. However, you can jump to the platform with that focus stone, if you have acrobatics skill.

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Therefore, only meatbug and telekinesis scrolls from your list are mandatory.

Interesting, thanks!

I'll have to try it on my laptop, had some issues on my stationary.