yeah, no CIS and bloodlusted are totally different things.
bloodlusted just means...basically they are just that, out for blood. they might kill their opponent in rage without even intending to do so, it just happens due to a savage beating. most of the time, bloodlusted characters fight sloppier than normal, the only thing is that they won't stop pounding/slashing you till your ground beef.
CIS off is just the character using their abilities and fighting like they were fighting game characters controlled by a logical person, personalities are thrown to the wayside since a win asap is the goal.