I tried maybe 20 tmes,finally beat the dragon,no one but Keldorn got hurt,he died and dissapeared? Weapons and everything,anyone know where he is?

He took massive damage which means he's dead forever. Though might have to fight the drag over again. Sorryyyy...

Can't Q saved after then left (auto-save)don't have any more saved games to go back to...............Ick!!!!!!!

Make sure that you get the Dragonslayer Long Sword off of Samia. Equip Minsc with it, load up on Chants, Blessings, Defensive Harmonies, et all, and then cast Magic Resistance on the Dragon. Keldorn is also great with the sword that he starts off with.

I really didn't have much of a problem with the Shadow Dragon, as my mages (My main char, Airie, and Nalia) just stood back and nailed him while the fighters went to town on him. Magic Missiles are good spells to use when your mages are at lower levels, as the Dragon has to save against each arrow. Spells like Harm and Cause Critical Wounds are good for the same reason, as they target you, not the dragon.

You know, you could also get that stone to walk past the dragon, and give him/her/it a good fight once you've got the right weapons for the job.

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The last arrow of Legolas kindled in the air as it flew,
and plunged burning into the heart of a great wolf-chieftain.
All the others fled. -J.R.R. Tolkien, The Lord of the Rings