# Gold Key/Gem Ratio

I plan to go through my stack of 61k gold keys to try to max Natureborn Warden on Monday.

How many gold keys can I expect that to cost?

And how many gems can I expect to receive in the process?

It seems like I get about 1 gem per 50 gold keys, but is there a more accurate number?

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How many gold keys? A lot.

Getting the bounty troop from legendary to mythic, I usually throw 25k keys to get halfway then use daily offers to top it up. The pool is very diluted.
But thereâ€™s only going to be, what? 5 troops in the event chests? Throw 50 of those to top it off if needed.

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IIRC you need 190 copies to fully ascend a common.
A single gold chest has a 48.75% chance to drop a common.
There are currently 109 common troops in the game. (Not all of which can be obtained from chests)

Iâ€™m no good at math, so take this with a sack of salt. I think the probability of you having obtained enough copies after opening this many chests should be:

``````  10% |  38591
25% |  40368
50% |  42407
75% |  44513
90% |  46467
99% |  49961
99.9% |  52623
``````
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If Iâ€™m short on Gems and using Gold Keys, I work on an average of 2 Gems for every 200 Gold Keys, although (if I could be bothered to do the maths) itâ€™s actually more like 1.8 - 1.9

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Thank you for the helpful responses everybody. Between gold keys and blue task, Iâ€™m optimistic Iâ€™ll have enough gems to fully ascend Hawthorn without spending a blue orb

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I gathered info while collecting â€śOgressâ€ť for mythic ascension (85 copies) .
I spend both gold keys, gold and other keys.
For 50 keys (or 15k gold) avarage was 0.84 gems
For 85 copies 114k Gold keys

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Thatâ€™s a solid amount of gold chests!
I think you may have been pretty unlucky there

This should be % probability of having obtained 85 copies of a rare after opening ~X-many gold chests.

``````  25% | 83606
50% | 90138
75% | 96927
90% | 103549
99% | 115341
99.9% | 125018
``````
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