Been mulling this one over in relation to a homebrew campaign.
Basic jist is a harmful condition that's the inverse of hidden - Targeted. Ranged attacks against it gain +2acc, melee +1srg. Applied by new gear, units, heroes, etc. (Kinda like hidden being Davith's forceful entry)
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What I haven't figured out is the condition removal terms. Like how weakened wears off after a turn, stun just happens, bleeding requires care, etc. - to the point, I haven't figured out thematically what would make sense for a unit who's being targeted ... to somehow get rid of this.
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Again, this is more just shoot the breeze type stuff. But what do you think?