From Dota 2 Wiki
The Harpy camp is a small camp of Neutral creeps. It contains 2 Harpy Scout and 1 Harpy Stormcrafter, and gives a total of 144 experience and 81-91 gold.
- In the original DotA, the Harpy Stormcrafter was known as "Harpy Storm". The Harpy Scout has not had its name changed.
 Balance changelog
- Swapped the medium pullable Neutral Camp with the small camp
- A neutral creeps camp will no longer spawn the same set of neutral creeps twice in a row
- Chain Lightning manacost reduced from 90 to 50
- Chain Lightning cooldown from 6 to 4 seconds
- Big Harpy manapool from 360 to 540
- Chain Lightning manacost reduced from 120 to 90
- Chain Lightning cooldown from 9 to 6
- Neutral spawn empty check no longer considers corpses in its spawn rules