A Pact of Ice and Fire

Choose a type of creature. The choosen type of creature can't attack , can't block or deal you
damage by ability or spell.
After Aegon and his dragons destroyed the combined
armies of the Reach and the Rock at the Field of Fire,
King Torrhen Stark bent the knee and swore fealty
to the Targaryen dynasty in order to spare the destruction of Winterfell and his people. He was
forever after known as "the King Who Knelt".