* Trigger rate is affected by the Level and luck {{Luck}} stat of the participating ships.<ref>https://docs.google.com/spreadsheets/d/1WM9aEgxE5ZV5aGoCp1tzM0ZX2CugILIPtSeigHPhp80/edit#gid=1646567925</ref>
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** If all three ships are lv.99 the trigger rate is around 52%~60%.
* Can be triggered even if artillery spotting fails to activate.
* Can be triggered even if artillery spotting fails to activate.
* Can only be activated '''once per sortie'''.
* Can only be activated '''once per sortie'''.
* Has a chance to trigger every time Colorado takes a turn at shelling.
* Has a chance to trigger every time Colorado takes a turn at shelling.
** In single fleet, if it fails to trigger in day battle, there is a chance to trigger it in the follow-up night battle.
** In single fleet, if it fails to trigger in day battle, there is a chance to trigger it in the follow-up night battle.
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* Trigger rate is affected by Colorado's luck {{Luck}} stat.