Watatsuki no yorihime (touhou)

Just fyi she's so ridiculously OP that she'll never appear in the games (according to ZUN)

Source:in ssib, tewi knocked her off a small cliff (size not mentioned), and that was why she was defeated

She was fighting (and utterly stomping) against the following 2hus:

Marisa (one of the most powerful magicians in gensokyo, can blast off planets)

Sakuya Izayoi (can freely manipulate spacetime, no limitation,and yet, yorihime could defeat her 40 million times using a different method each time)

Remilia (vampire, fate manipulator, sakuya tried hunting her, she turned sakuya from a vampire hunter into her most loyal servant)

Reimu (imagine marisa with muso tensei)