Dang Johnny, you drill like you drive.
Crooked!

You had the easy out biting in to the crank. That is why nobody could turn it.

You have two roads now.
Left road, clean the threads as best you can with a bottoming tap, Find a bolt that will work in place of the crank bolt that is 10mm longer. There are good threads behind the chewed ones.
Right road, get Dylan to work his thread-sert magic.

99 Montero....15mpg! Sold (so sad)
02 Jetta TDI....48mpg!
03 2500 Ram QCLB Cummins....18mpg
02 2500 Yukon XL, We out grew the montero, at least it has one locker.....13mpg (sold)
01 montero limited