Arguably the least dangerous option, if you can somehow force the dragon to attune a magical item you might change its alignment. Perhaps a Geas? If your DM sees that working, and you have any of The Book of Vile Darkness, The Eye of Vecna, or The Hand of Vecna on you...
This is because the damage only happens "each time you do so [use the action granted by the Book]" A magic mouth or programmed illusion cannot satisfy any of these conditions, let alone all three (they cannot carry the Book, nor attune to it, nor can they use...
/ E5stju:t; ?@ E5stu:t; E`stut/ adj clever and quick at seeing how to gain an advantage; shrewd 精明的 ; 机敏的 ; 狡诈的 : an astute lawyer, businessman, judge of character, etc 干练的律师, 精明的商人, 知人之明 *| It was an astute move to sell just before prices went down...
Certain magic items require a user to attune to them before their magical properties can be used. Attuning to a magic item requires that you spend a short rest concentrating on it (this can’t be the same short rest used to learn an item’s properties). An item can be attuned to only...