Marvel: Psionic Constructs

Emma Frost (White Queen)
Frost possesses the skill to create spears/blades of pure psionic energy which can disrupt the molecular structure of anything that causes it to melt or dissolve in thin air.

John Break-Sky (Faithful John)
John can use the psychic plane's energies to construct mental energy into various shapes and forms, be them weapons or otherwisie. Because of the nature of said energy, the psi forms are purely ethereal, having no physical sway, but that doesn't make them any less effective offense wise.