Basilisk Fang

Basilisk Fang is a possible wand core and a very powerful anatomical feature of a basilisk. It contains extremely powerful venom, which the only known antidote is phoenix tears. If used as a core, it will probably be a one-of-a-kind core, and may be wielded by a powerful dark wizard or a powerful benevolent wizard who wishes to defend against the Dark Arts.

If used as a wand core, the Basilisk fang would cast excellent curses and/or counter-curses, and would be an all around excellent core for every type of spell