Ranger: I overkill it.
DM: By how much? What did you roll?
Ranger: I can fly 90 feet per round for five minutes. There are ten rounds in a minute and it’s dealt 1d6 points of damage for every ten feet dropped, so… 2097 damage.
DM: Subtract 70 for hardness.
Ranger: 2027 damage.
DM: You overkill it.