There is a Legacy version
here.
Qi Blast
Focus 3Uncommon Concentrate Focus Force Manipulate Monk Source Player Core 2 pg. 256Cast [one-action] to
[three-actions] Area 15-foot cone or more
Saving Throw Fortitude;
Defense Fortitude
You unleash your qi as a powerful blast that deals 2d6 force damage. If you use 2 actions to cast
qi blast, increase the size of the cone to 30 feet and the damage to 3d6. If you use 3 actions to cast
qi blast, increase the cone to 60 feet and the damage to 4d6. Each creature in the area must attempt a Fortitude save.
Critical Success The creature is unaffected.
Success The creature takes half damage.
Failure The creature takes full damage and is
pushed 5 feet.
Critical Failure The creature takes double damage and is pushed 10 feet.
Heightened (+1) The damage increases by 1d6, or by 2d6 if you use 2 or 3 actions.