The chains of a cast share the enemies they have claimed and prefer
unclaimed ones. Each chain keeps its heading and ranks candidates by
distance and turn; a chain's first jump turns away from the directions
the other chains set out in, so they keep fanning out. Jumps reach 75 %
of the cast range.
Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>