Nemesis

Nemesis is a teachable Unique Oni Perk . It can be unlocked for all other Characters from Level 40 onwards:

Perk descriptions may vary from in-game descriptions for reasons explained here.
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Icon	Tier I	Tier II	Tier III	Description
	4,000	5,000	6,000	You seek retribution on those who have wronged you. A Survivor who blinds you, or stuns you using a Pallet or Locker becomes your Obsession . Anytime a new Survivor becomes the Obsession, they are affected by the Oblivious Status Effect for 40/50/60 seconds and their Aura is revealed to you for 4 seconds. You can only be obsessed with one Survivor at a time. "Only a fool would spit in a demon’s face and declare victory." — Renjiro's Doctrine 4:9

Icon	Teachable	Description
	5,000	Unlocking this Perk makes it available in the Bloodweb of all Killers You seek retribution on those who have wronged you. A Survivor who blinds you, or stuns you using a Pallet or Locker becomes your Obsession. Anytime a new Survivor becomes the Obsession, they are affected by the Oblivious Status Effect for several seconds and their Aura is revealed to you for 4 seconds. You can only be obsessed with one Survivor at a time. "Only a fool would spit in a demon’s face and declare victory." — Renjiro's Doctrine 4:9 May be unlocked in the Shrine of Secrets or in The Oni's Bloodweb at Level 40.