[lua] [sql] Balmung AE Dispel

[Skold177]

I affirm:

• I understand that if I do not agree to the following points by completing the checkboxes my PR will be ignored.
• I understand I should leave resolving conversations to the LandSandBoat team so that reviewers won't miss what was said.
• I have read and understood the Contributing Guide and the Code of Conduct.
• I have tested my code and the things my code has changed since the last commit in the PR and will test after any later commits.

What does this pull request do?

Adds "Dispel" Effect to Balmung with a 10% Chance.

Capture

Balmung_2026-5-4_11_25.zip

Painstakingly recorded Dispels/Swings with Metrics on Light Elementals, making sure to only count when buffs were active.

Ended at 36/351, or slightly above 10%.

Steps to test these changes

!additem Balmung
Go fight Light Elementals, ruin their day