- On and , The Ultimate Hat is exchanged with .
- Transformation champions such as and all benefit normally from it.
- The Ultimate Hat will affect both cooldowns and recharge timers on abilities such as .
- The Ultimate Hat stacks multiplicatively with regular cooldown reduction. This means that the effective reduction is less than the advertised value while you have any CDR from other sources.
- 40% cooldown reduction and the The Ultimate Hat (fully stacked to 5) results in 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.