User blog comment:Master Sima Yi/Assassinews 04-06-'12 — E3 hub/@comment-117.201.109.251-20120612160921/@comment-5503561-20120612183424

It drained 4 out of six bars there. Presuming it still works like ACB and ACR, two to three assassins are called per signal. So essentially it's still three bars, except divided into 6 sections.