Unique Maps Rarity

So in the latest interviews devs have stated that the unique maps are common enough. I did a counter on my clearing and have now hit 200 mark with 9 nexuses cleared. So far I have seen 0 unique maps.

How many unique maps have you found so far in comparison to many maps you have cleared? Like 1/30? 1/50?

In the last season I played for over 200 hours in end game and ever got to see 1 vault and that was it. No merchant no nothing.

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Landers#3644 wrote:

Just did a unique map 20 minutes ago and got 0 items. Not even gold. Map complete with literally nothing for it. They are pointless.

Was it Untainted Paradise? That map specifically drops no items or gold, in exchange for a very large boost in the amount of experience points earned. It does tell you this in the map mods.

How many maps overall have you cleared before finding Untainted Paradise?