The Green Knight video slot is a great casino game by PlayNgo. Try The Green Knight with 5 reels and 20 paylines. Three or more GN symbols triggers 5 Free Spins. The Shield is Wild and can land on ANY reel, it can appear as a Multiplier Wild on ANY spin. The values of the multiplier are: X2, X5, X10, X25, and X100. If the Shield substitutes another symbol as a Multiplier Wild, then it will multiply the win by the Multiplier value displayed on The Shield.