As annie, Her Passive empowered Ultimate R can legitimately delete people from the map if Annie is even slightly ahead. Flanking to achieve this increases her power.

Great AoE damage potential with her Ultimate R and W due to her completed items. Finding clumped fights and using her Ultimate R properly allows her to take over the game single-handedly.

The reduction in her Ultimate R cooldown makes it possible for her to have Tibbers up all the time. She doesn't need to worry about being caught out without her Ultimate R that frequently. As annie, Her passive Ultimate R can legitimately remove people from the card if Annie is even slightly ahead. Flanking to achieve this increases her power. Great potential for AoE damage with her Ultimate R and W due to her completed elements. Finding tight fights and using her Ultimate R correctly allows her to take the game by hand. The reduction of her Ultimate R cooldown allows her to have Tibbers all the time. She doesn't need to worry about being caught without her Ultimate R that frequently.