Leylek notes the ball of burning metal hitting the tree with a hiss of disgust. You came to us. he pronounces sternly, a taloned leg briefly flashing out in hope of reaching the invisible foe as it flees, turning in the air as he does so to shoot after the Oni, spinning around at the last moment to try and sail into its unseen form legs first.

Spoiler: OOC
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AoO, if applicable: (1d20+9)[29] for (1d8+4)[9], (1d100)[90] for the miss chance, the higher, the better; and
Flying charge with Flying Kick: (1d20+11)[18] for (1d8+4)[6] with (1d100)[71] for the miss chance, the higher, the better.