If a person outside of 35 yards is targeted, the impale will not harm this person, but it will still affect anyone else in the path of the attack. This will be what will cause most non-tanks to die, and can be easily healed through with alert healers and/or self-healing, and minimized if the raid group spreads out. The fall damage may also be mitigated by class abilities such as Slow Fall, Feline Grace, Safe Fall, Levitate, and so on.