Can true polymorph make you immortal?

No. Polymorph changes your body, which is unrelated to your class. They would keep whatever class levels they have in their new body.

Can a dragon polymorph into a human?

Many dragons (e.g. ancient gold dragons) can polymorph using the Change Shape action: Change Shape. The dragon magically polymorphs into a humanoid or beast that has a challenge rating no higher than its own, or back into its true form. It reverts to its true form if it dies.

Can you polymorph an animal into a human?

So yes, if you had enough experience dealing with the target you want to True Polymorph into, you could shape into them.

Can a Polymorphed dragon cast spells?

The creature is limited in the actions it can perform by the nature of its new form, and it can’t speak, cast spells, or take any other action that requires hands or speech.

Can polymorph be Upcast?

The spell being cast at a higher level would probably be interpreted as a more potent version (I would certainly rule so). But as polymorph has no innate benefits from being upcast, you might not see it cast at higher levels very often.

Can you Upcast polymorph 5e?

The creature is limited in the Actions it can perform by the Nature of its new form, and it can’t speak, cast Spells, or take any other action that requires hands or Speech.

Can permanent true polymorph be dispelled?

A permanent magical effect can be dispelled unless the spell explicitly clarifies that it cannot be. True Polymorph fits into this category, which means that it can be dispelled.

Can you polymorph into a dragon 5e?

Polymorph can’t turn creatures into dragons, only beasts The new form can be any beast whose challenge rating is equal to or less than the target’s (or the target’s level, if it doesn’t have a challenge rating).

Is it possible to use true polymorph on an ancient dragon?

Thus, there is no reason why you would not be able to use true polymorph in this way. Ancient Brass Dragons are not considered shapechangers. A creature is a shapechanger if they have the monster subtype (Shapechanger).

Is it possible to shapechanger a dragon?

The dragon does not have the shapechanger subtype, thus it won’t be potentially conflicted with the shapechanger subtype restriction. The target’s game statistics, including mental ability scores, are replaced by the statistics of the new form.

Is true polymorph the most overpowered spell in the game?

True Polymorph really doesn’t have many restrictions apart from the CR limit, so yes it is potentially the most overpowered spell in the game.

Why can’t ancient brass dragon change shape?

Ancient Brass Dragon’s creature type is dragon. The fact that it is able to change shape (a special ability) is irrelevant to being able to transform into that shape. The dragon does not have the shapechanger subtype, thus it won’t be potentially conflicted with the shapechanger subtype restriction.