Thunderous Knockback

3rd-level attack/manipulation

Activation Time: 1 bonus action
Range: Self
Duration: 1 round

When you activate this power, the next time you hit another creature before the end of your turn with an attack that deals thunder damage, it must succeed on a Strength saving throw or be knocked 10 feet directly away from you and land prone. If the target succeeds at its saving throw, there is no knockback and the target is not prone.

If knockback is used against inanimate objects, the target receives no save.

If there is a creature in the 5-foot wide path of the target, there is a 50% chance that the target will crash into it. If the object covers the path entirely, this chance is 100%. If a crash is indicated, a creature can make a Dexterity save to avoid the crash. Crashing into a creature causes damage equal to half the damage taken from the attack to both the target and the creature it crashes into. The creature who was crashed into is knocked prone.

If there is an object in the path of the target, the same rules apply, but an object does not make a Dexterity save to avoid the crash.

If the object or creature hit by the target is reduced to 0 Hit Points, then the target continues to move. Otherwise, it stops in that space and is prone.

The target may continue to crash through additional creatures or objects in the same way until it reaches the full distance of the knockback.

At Higher Levels. When you activate this power using a higher level power slot, the distance of the knockback is increased by 10 feet per level above 3rd.

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