One og them is in the temple of frost another one is in the temple of goron then the last one is the isle of ruins
you kill a phantom by getting the phantom sword and then hitting them in the back
To get the phantom sword, you need to have the three crystals, Crimsonine, Azurine, and Aquanine. You take these three crystals to Zauz the Blacksmith (he is located on an uncharted island north of the isle of gust). This is a walkthrough that will tell you how to get the three crystals and what to do from there: http://faqs.ign.com/articles/829/829838p1.html
you get the third precious metal for the phantom sword.
square, circle, triangle
In "The Legend of Zelda: Phantom Hourglass," the four purple crystals in the Temple of Darkness serve as a puzzle element. To progress, you need to activate all four crystals by striking them with your sword. This will unlock the door to the boss room, allowing you to confront the boss and continue your adventure. Be mindful of the surrounding enemies while you solve this puzzle!
Once the Phantom Sword is in your possession, go to the Temple of the Ocean King, descend as far as you can, and face your final battle with Bellum.
they are sword, boomerang, bombs, bow, bomchus, grappling hook, hammer, and finnaly the phantom sword.
finish goron temple, ice temple, and pyramid temple
Just go to a cave right of Oshu's house, writ the number 7 and you will have the sword.
you attack them with you sword or use you arrows
You Cant.
The game is not called, "Zelda and the phantom hourglass" and if it was, don't skip school. It would be written like this, "Zelda and The Phantom Hourglass." Get your capitals right! Anyways it is called, "The Legend Of Zelda: Phantom Hourglass" and it isn't the best Zelda game out there. But it is not bad either. It is for the Nintendo DS. Purchase it!