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With relief you sense that you have acted just in time; the creature on the jetty failed to catch sight of you before you dived below the surface.
In just a few minutes you reach the distant shoreline and break through the surface alongside a shallow stone causeway. Atop this causeway is a track, a spur of which branches off towards the tunnel entrance. With only your head visible above the lake, you cling to the causeway stones and wait patiently for a nearby patrol of undead soldiers to march past.
