Double check that quest, I believe it's from mysteries only. 

Hey there. "Get 10 Rare Champions" is all it says. I've attached the pic below. But what do you mean when you say "from mysteries"? They must be really mysterious as I don't know what they are. lol

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Ah, I was thinking of the higher point quest, I haven't looked closely at the smaller ones in a bit. :)

It should be working fine, can't recall seeing any complaints about it. Could also just be a lag in registering the shard pulls for the quest.

I got that quest yesterday and have been pulling rares fairly often since then with mystery shards. If it's supposed to register portal rares, then it's definitely broken I'd say. 😢

Addendum: It also doesn't count rares purchased from the market. I think it must only count rares that you get as campaign drops. That's the only explanation for the 2/10 I currently have.

Are you sure you're getting rares? They're blue. I ask because you mention purchasing from the market - rares can't be purchased from the market, only commons and uncommons.

Yes, what kram said. you can only buy commons & uncommons from the market.

rares = blue champs. 

Well. Boy do I have egg on my face. Yes, I was thinking that greens were rares. 😂