And stay down! is an achievement/trophy in Prince of Persia: The Forgotten Sands.
Description[]
"Use the finishing lunge twenty times".
Guide[]
The finishing lunge is when you stab an enemy while they are laying on the ground. The best way I found to do this was to just knock enemies down and then just finish them. Also, one you unlock the Whirlwind power, you can use it to knock down enemies. Once they are down, run around stabbing as many as you can. Twenty should not take long.