Purity of Essence.
Edward I can be one of the four blocks drawn for the initial feudal levy. My rules (Version 2.2) state:
" English Draw Pool: All English blocks except the infantry blocks which start the game on the board. Note: Edward I is only in play when drawn from the Draw Pool."
btw, cool Avatar....one of my favorite movies
so the note he was historically fighting in flanders is just fluff?