Tanu sleep potion

Cloudwing slapped his neck as if bitten by an insect. He swayed unsteadily, dropped his bow, and flopped to the ground.

(Additional text cut)

  "It worked," Seth approved. "How long will these jerks sleep?"

  Vanessa walked over to Cloudwing and prodded him with her toe. "It was a small dose, and they are powerful creatures. Still, they should be out at least a day. The substance Tanu derived is truly amazing. Our problem is that other centaurs undoubtedly knew of this mission and will come snooping. Next time the centaurs will attack us in much greater numbers. "

Chapter 19