The basic rule is simple: 1d6 points of damage per 10 feet fallen, to a maximum of 20d6.
If a character deliberately jumps instead of merely slipping or falling, the damage is the same but the first 1d6 is nonlethal damage. A DC 15 Jump check or DC 15 Tumble check allows the character to avoid any damage from the first 10 feet fallen and converts any damage from the second 10 feet to nonlethal damage. Thus, a character who slips from a ledge 30 feet up takes 3d6 damage. If the same character deliberately jumped, he takes 1d6 points of nonlethal damage and 2d6 points of lethal damage. And if the character leaps down with a successful Jump or Tumble check, he takes only 1d6 points of nonlethal damage and 1d6 points of lethal damage from the plunge.
Falls onto yielding surfaces (soft ground, mud) also convert the first 1d6 of damage to nonlethal damage. This reduction is cumulative with reduced damage due to deliberate jumps and the Jump skill.
Just as characters take damage when they fall more than 10 feet, so too do they take damage when they are hit by falling objects.
Objects that fall upon characters deal damage based on their weight and the distance they have fallen.
For each 200 pounds of an object's weight, the object deals 1d6 points of damage, provided it falls at least 10 feet. Distance also comes into play, adding an additional 1d6 points of damage for every 10-foot increment it falls beyond the first (to a maximum of 20d6 points of damage).
Man, my brain is completely letting me down. I forgot about down speed while flying. Maur and Quinn's speed is double while descending. Up speed is half.You can have Maur take the potion from Quinn as a free action. If you have to choose him to drink it this round and then move,
Maur won't be able to reach Tarrak this round, as the ghast lord has finished feather falling as is now more than 60 feet away from Maur.
Even if you have Maur hold off on drinking the potion, he won't be able to reach and attack Tarrak this round. He cannot charge, as he has to fly past the edge of the crevasse before descending towards the ghast lord.
After Tarrak landed, the ghast lord took another inflict vial from its belt and drank it.
Anyway, it's your turn.