Used to format passive features in the infobox. Meant to be invoked by Template:Infobox creature/passives query.
Example:
{{Infobox creature/passive format
| _pageName = Cull the Weak (Drider)
| name = Cull the Weak
| icon = Generic Physical Icon.webp
| brief = Deals +2d6 damage to targets below 50% HP.
}}