Though Livia has trouble finding those ideal trees, Eithal finds some that are just as good. Corvus and Fredrock - with Fredrock doing the work of 3 men - get right to it while Kaz and Yim keep watchful eyes out.
The bridge is complete, to the point where the group has just gotten the wagon half-way across the bridge when a massive flock of ravens swarm around the broken ruin atop a distant cliff, the same forbidding figure from the mist appearing in their midst. With a gesture from the figure, the water in the river suddenly rises, rushing onto the bridge.
[sblock=Seperate non-skill challenge Perception DC 20]You catch a glimpse of the figure before it vanishes into the flock of ravens.
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People scramble for something to hold onto as the newly rebuild bridge buckles and pieces wash away. The figure on the cliff explodes into ravens again, the flock swirling high overhead like a tempest as the group struggles to keep from being washed into the water...
[sblock=Round 3]So far the group is at 11 successes(nat 20s are worth 2 successes), 2 failures, doing great. Now is the final and most important round however. More of the foul ravens circle high overhead, the water thunders under the bridge, threatening to wash PC and NPC alike off into the brink.
For the final round, there is another option called a desperate gambit: you can take -5 on a check, but if you succeed, it's worth 2 successes(3 on a natural 20).[/sblock]