That episode was unique because the Sailors used their powers against a volcano. Who was the bad guy here? Nature? Unavoidable tragedy?

Chibiusa: Humans are purely selfish creatures who only wish to use you for their own ends. Friendship is nothing but mutual collaboration.

If Luna-P can transform into anything or anyone, why not just make it a Silver Crystal tracking device? Or better yet, the Silver Crystal?

So the Doom Tree created many friendly beings, who ended up spurning him in an arrogant quest for power. The Doom Tree is God #AndUsagiIsJesus

“But gradually they became smarter and started fighting for my energy.”

Is the doom tree implying that ignorance is the best way to live?