Big Bad Rag Raid


 * "Ragnaros has conjured all the energy of the firelands! It'll take your entire Tavern to defeat him."

 was a raid and was accessed by players as a Fireside Brawl at Hearthstone event  2019's Fire Fest-E.V.I.L.. It made its debut on July 10, 2019.

Overview
As the entire tavern, players had to come together to kill Ragnaros. With 15,000 health this proved to be challenging indeed.

Strategy
Since your damage is saved, all you had to do was deal as much damage as you can before being overwhelmed.