Fall Damage

Fall damage normally caps at 20d6 damage (after falling a minimum distance of 200 feet). 
If a creature falls from a sufficient height to max out fall damage, the creature must roll on both the Injuries and System Shock tables from the DMG. Do so in the OOC thread where the RP moment happened. 
Yes, this does mean there is a percent chance falling from extreme heights might effectively result in character death. So, watch your step.