I'm a new player trying to learn more about how the spells really work outside of any specific game. Being a new player, I always like to argue about and find out how my and other players' actions actually work.
I was in a session, and occasionally a player cast the true polymorph spell on a teammate to turn them into a Planetar. Our DM said the spell only changes the character's body, so he would have no weapon (longsword), not even his traits: Angelic Weapons, Divine Awareness, Innate Spellcasting and his Healing Touch.
How is the true polymorph spell actually supposed to work?
- Can I use all of the new form's skills and actions, including legendary actions? Can I use everything listed on the monster sheet?
- If I transform myself permanently, can I level up and progress?
From what I understood about the spell, you can become a creature and play with everything and only what is described in the creature's statblock.