The party paladin (Oath of Vengeance) is currently 18th level and we are planning on playing to 20th. Eventually he will get the Avenging Angel class feature, which states, in part: At 20th level, you can assume the form of an angelic avenger. Using your action, you undergo a transformation...Y...

I have a Fighter character who is a lycanthrope and had a very low Strength score originally, but thanks to her lycanthropic affliction, her Strength is now the highest score. Will her Strength score increase be removed if she is cured or will it be kept?

I'm creating a campaign, and I'm thinking about having Vecna take over the body of an NPC attuned to his eye and hand (because of the 5% chance that Vecna takes over a body after a spell is cast), which would have the characters go looking for the Sword of Kas. Can the Sword of Kas destroy Vecna ...

Does a player wearing a Ring of Protection +1 and standing in a Paladin's Aura of Protection (bonus equal to Charisma modifier, +2 in my case) get a +3 bonus to their saving throws? Or do they only get to use the maximum protection of +2?

If a creature has Multiattack that says 1 spear attack and 1 longsword attack am I limited to just that? Or is this just some template where we can substitude 1 attack for something else, like 2 spear attacks a spear attack and an attempt to disarm? Alternatively can I just substitude a spear...