Awesome. I guess I oughta try that with my next Valkyrie.
Valkyries are better off with Excalibur... and you don't even need to altar-camp. #Dip your starting longsword into fountains when you're level 7 (5 is also possible), when you are not unlucky (i.e. did not kill your own pets and did not break/teleport boulders in Sokoban). Take standard precautions about things that can come out of fountains. Keep dipping until a hand comes out and bless your sword. Other longsword-wielding lawful characters can do that too.
God! I was just minding my own business in Minetown when the captain of the guard freaks out and attacks me!
Town guards don't like you doing certain things. They don't like you messing with fountains, trees, breaking doors and picking locks. If you must do those things, you must do it out of their sight.
Also all monsters represented by "@" symbol do not respect Elbereth. Minotaur is another notable one.
To dust Elbereth,
E then
-, when prompted say yes to append, then type Elbereth. Keep doing it for a few turns as you don't have 100% success rate even when you are not blind/confuse/etc. Check with local look
: command to see what you've written. Once you get a long string of Elbereth in the dust, you can make a few ranged attacks. Watch it each round to see how it's degrading, and append more if needed.
Oh and wand of fire is preferred over wand of lightning, because wand of lightning blinds you.