To make casuls mad, you need to follow these simple steps.

• Wear Thief Mask
  
• Wear Jailer's Robe
  
• Wear Shadow Gauntlets
  
• Wear Fire Keeper Skirt

You will now look like a ninja.

Pick Warrior.
The next step is to dump all of your points into Vigor and Endurance. Anything else would be casul.
Level Vigor up to 99
Level Endurance up to 40

To begin, use Blessed Caestus +10 in both hands.

For your rings, you need Obscuring Ring, Carthus Milk Ring, Sun Princess Ring, and RoF+3

You are now completely done with setup, next step is playstyle.

Make sure to not have any covenants equipped as you enter the Grand Roof.

When you spawn, immediately turn around and hide in the shadows of one of the tower/pillar things

Next up, use the gesture Curl Up and wait.

If you are spotted, follow this instructional gif exactly!

With this strategy, you will have successfully made people mad by playing hide and seek. You may receive hatemail doing so. Bathe in their beautiful salty rage, because after all, they are just mad casuls.