Another take on this would be to make yourself an impregnable fortress; i.e.: I'm impregnable, so wherever I go, I'm in an impregnable fortress. Invest in all the best protective artifacts (unaffected by antimagic) or even design your own. Have all the best protective charms cast on you at all times, or just fold them into your custom artifact as continuous effects.
Your "artifact" could even be intangible, so it can't be removed or stolen from your person, or enchanted in such a way as to prevent that from happening.
Something like:
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Armored Shirt of Paranoid Defenses
Anyone wearing this shirt is immune to any effect. If they would be affected by an effect, they may choose to either prevent it or allow it to affect them; their choice. This shirt cannot be removed from the person that wears it; they must somehow die (which they must allow to happen) and then literally rot away until the shirt is no longer occupied by their corpse. The wearer has no need for air, food, water, or sleep (or rest of any kind). The wearer cannot die of old age and only ages if they so choose to do.
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I'm sure someone could word that better than me, and come up with more contingencies that would have to be covered, but you get the gist. If you have access to unlimited wealth and resources, you can pay for spell research, you can pay for magic item creation, you can learn all spells ever created and learn to combine them in all ways possible.
:smurfatar:
