[Magiclysm] Spell description changes

[Milopetilo]

Summary

Mods "[Magiclysm] Change some spell description to feel more natural/be more accurate"

Purpose of change

I noticed that in #71236 the part of "lashing tentacles" was changed to the shoulders, but the description of the spell was unaffected. Then I noticed some of the descriptions for other spells were sometimes inaccurate or had weird sentences, so I tried to spruce them up a bit.

Describe the solution

Change the description of the spell to match its effects. Change some weirdly built sentences to (hopefully) easier to read ones.

Describe alternatives you've considered

Change it so the tentacles come out of your torso instead of shoulders.
Keep the descriptions the same.

Testing

Went in-game, noticed the changes happened in the spell descriptions.

Additional context

[github-actions]

Auto-requesting reviews from non-collaborators: @GuardianDll

[github-actions]

Spell checker encountered unrecognized words in the in-game text added in this pull request. See below for details.

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• Send a wave of high-frequency alternating pulses. It can't hurt living creatures, but is exceptional at stunning and destroying robots. Even though it isn't an EMP.
• You fire a small concentrated ball of lightning at the target. The electricity diffuses rapidly, so it doesn't do much damage, but you're able to fire off several ones quickly.

This alert is automatically generated. You can simply disregard if this is inaccurate, or (optionally) you can also add the new words to tools/spell_checker/dictionary.txt so they will not trigger an alert next time.