Story: Ten Very Venturous Ponies (Updated Part 5!)

[Normal] ADVENTURE! EVERYPONY! Sounds awesome, so I'll use an awesome image, even if I haven't had a chance to read it yet! Some of my favorite stories are the episode-style adventure ones, so I'm hoping its great. 

Author: Neon Noble

Description: Inspired by a comment on the image of the same name. Princess Luna has fallen ill and Princess Celestia turns to Twilight and her friends for help.

Ten Very Venturous Ponies Part 1
Ten Very Venturous Ponies Part 2
Ten Very Venturous Ponies Part 3
Ten Very Venturous Ponies Part 4
Ten Very Venturous Ponies Part 5 (New!)