This vine is about to capture the unseen Princess Celestia.
Plunderseed vines spreading through Ponyville.
Plunderseeds take over Ponyville
Unnatural storm clouds, evidently an effect of the plunderseeds
Plunderseed spores cause
Rarity's magic to malfunction
Vine: "Look, I'm a cowboy. Howdy howdy howdy!"
Cherry Berry and Comet Tail being attacked by a black vine.
Plunderseed vines using their spores on Twilight Sparkle.
The Tree of Harmony, drained of power and infested with vines.
A tangled mass of black vines after encountering (and losing to) the Mane Six,
Direct
unicorn magic is highly effective on plunderseed vines.
The power of the Tree of Harmony eradicating the vines.
Princess Celestia and Princess Luna are free.