Bug or not?

[Fantasy9]

Before I post this in bug section, I want to find out if this is normal or not. It has been three weeks of farming FATEs for three to four hours a day and my last two atmas have not dropped. The two atmas in question are: Atma of the Bull and Atma of the Archer.

[star_witness]

The grind is real.

Sorry about your bad luck.

Took me about 50 hours to get all 12, and those two weren't the difficult drops.

Atma of the Maiden was a monster, though. Easily 12 hours in that one zone.

[Malzian]

Yeah, I've had some drop in one FATE, some drop in a hundred... Some even longer. It's the chief complaint of the system.

[Alukah]

Working as intended

[tymora]

1% RNG = Drop the first, or drop the thousandth...life sucks in the latter.

[mbncd]

I'm in no rush so just getting my Atmas as they fall, doing FATE's when I happen to come across them, not actually seeking them out or grinding on them. RNG bugs the hell outta me (regardless of whether I'm unlucky or lucky) so doing a bunch of FATE's in a row and seeing how often they drop just isn't for me. So far I've been lucky and got 2 out of very few FATE's but with my style it'll probably be a year+ before I get all 12 just because I so rarely do FATE's in general XD

Good luck everyone~

[Zaft]

Mathematical probabilities can get a little confusing (or annoying) sometimes. So with that in mind, here is some information:

A 1% drop rate means that each individual FATE that you complete, you have a 1 in 100 chance to see the Atma drop. In other words, whether it's your first FATE or your 500th FATE, your chance to see it on that FATE is 1%.

You have a...

...25% chance to see it drop within 28 FATEs.
...33% chance to see it drop within 40 FATEs.
...50% chance to see it drop within 68 FATEs.
...66% chance to see it drop within 109 FATEs.
...75% chance to see it drop within 138 FATEs.
...99% chance to see it drop within 458 FATEs.

No amount of FATEs gives you a 100% chance to see the Atma.

(cheers to Razztra for his maths)