As Henry leaves to sneak into the refugee camp, Will says, "Have fun storming the Castle". That is a line Miracle Max says to Westley, et. al., in 'The Princess Bride'.
In season two's "End of Nights", Henry says, 'Have fun storming the castle" when others leave him to go on a dangerous mission.
Villanovan drops a MOAB on the Chilean caldera abnormals. The GBU-43/B, Massive Ordnance Air Blast, has a yield of 11 tons of TNT, vaporizes everything within 3000 feet, kills anyone within 1.7 miles, and was developed to scare the crap out of an entire enemy army. It is familiarly known as the Mother Of All Bombs.