Storm Scale : 8, 9, and 10

This is just a challenge I thought of while trying to weather my creative block, so I will not be giving out awards. I would just like to see how well you all can execute a mechanic by R&D with a Storm Scale rating of at least 8. Mechanics and keywords with a rating of at least 8 tend to be more difficult to design, so I want to see how well you can design with them in mind.

Link to SS article :

My example, using Haunt :


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