Treyarch has scrubbed "absolutes" from perk design, Vonderhaar said, the hard and fast rules that make perks more difficult to balance. As an example, he detailed changes to the perk "Ghost" from the first Black Ops. Ghost's previous iteration made players undetectable by UAVs, infrared sensors, and sentries. In Black Ops 2, Ghost's benefits only apply while players are moving, a design change that hopes to prevent the perk from being exploited by campers
There's also a perk that will hide you from that scope. It's part of the old "ghost" perk benefits, which have now been separated into 3 different perks.
Ghost — Cannot be detected by enemy UAVs while moving. - Tier 1
Blind Eye — Unaffected by AI-controlled perks. - Tier 1
Cold-blooded — Resistance to targeting systems including Dual Band, Target Finder, Sensor Grenades and player-controlled aircraft. - Tier 2
Perks, weapons, attachments, and more:
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