- On and , is exchanged with .
- Transformation champions such as and all benefit normally from it.
- The Ultimate Hat stacks multiplicatively with other sources of cooldown reduction.
- 40% cooldown reduction and the The Ultimate Hat after 5 ultimate casts, gives a total of 49% cooldown reduction on your ultimate.
- With , this can be further increased to 53.25%.
- The Ultimate Hat is really useful and efficient on as she can reach the maximum bonus CDR in about 3 minutes if she starts casting her ultimate as she spawns.