The "bone things" are Entity claws and they show who the obsession is in the match, all matches have one obsession.
Lightborn does not stop The Wraith from becoming burned - it only prevents blinds not burns
Neither killers or survivors keep their addons after a trial by default (so think of them as single use)
The level of bloodweb on your killer has no effect on the skill of any other players as we have a Skill based match making system (SBMM) that has a hidden MMR score which is used for matchmaking.
Perks are in 3 tiers only
Orange Perks are teachable perks, once you unlock this "orange perk" you will still need to find that perk in the bloodweb of the other killers, it won't be automatically unlocked for them, it just means that you can now obtain it on any other character and it will need to be levelled up as normal.
Decisive Strike is pretty easily avoided, just don't go for the player who's just been unhooked
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