I was reading old questions and I found some info about Minishabaal.
On Tibiafandom we can read:
This creature was removed from the game, It was a part of Tibia's 10th Anniversary, it might come in other holiday events.
Are there any other events when we can face this boss?
Question Revival VI contestMarch 16, 2025
Looking for new TibiaQA staff membersJuly 12, 2024
Interview with Solkrin - lead of the Customer Support team at CipSoftDecember 20, 2023