New step 2c: when 5+ monsters, Rending Blow is ready, and OC < 60,
skip Imperil/Absorb/buff loops and basic attack to build OC.
In your log, RB was ready (sk:RRGR) from turn 1 at OC=20, but the
script spent 20 turns on Imperil x3 + Absorb (999!) + Curx3 +
items before finally firing RB at turn 21 when monsters were at
100+ SP. Now it basic-attacks aggressively to hit OC=60 faster,
then fires RB as soon as threshold is reached.
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