Overseer Achievement bugged or specific?

[RequiemsRose]

The "Overseer" achievement says that it is obtained by raising a vault dweller to level 50, and so far i don't have it unlocked despite having two dwellers who have gotten there so far. I'm not sure if it's bugged or if it doesn't apply to special/legendary characters since both of my level 50 dwellers were originally special ones:
https://steamcommunity.com/sharedfiles/filedetails/?id=1534246931
I forget which character "Lone wanderer" was originally but that wasn't his original name, just what I turned him into, but he and Hancock were both special characters so does that affect the achievement?

[gareeth]

I think you might be right about the special characters. I lost track of the non-legendary ones and I just got the achievement a few hours ago and that was my 6th or 7th 50.

It makes sense though as you get stuck having to use the characters who can survive a bit better in the wasteland and are more useful in both quests and the vault but they do start at level 10 so you really only added 40 levels.

The wording could say raise a dweller from 1 to 50 but you should get it eventually.

[ZaggRukk]

It's easy enough to level a dweller from 1 to 50 with the right setup. I normally take the long way about it though. The basics that will get the job done are to send a lvl 1 dweller to the endurance training room with either E5 or E7 gear and max out their Endurance. then when they are maxed E, send them out into the wasteland with max stims and radaway, and leave them there. They will return when their inventory is full, and if your lucky the will be lvl 50 when they return. If not, just return them to the wasteland. It should only take 2 trips to max their level.

[RequiemsRose]

It seems that special dwellers don't count afterall. I used Zagg's suggestion, I had a level 1 dweller who had been born in my vault and started training as soon as she grew up (endurance and strength mostly, she is meant to be my door guard). Since she was already endurance trained and had just finished up strength I tossed her into the wasteland. Took her about 5 days but she made it to level 50 and came back with a full inventory and 21 stimpacks left (like 24 radaway still). The achievement popped when she got back to the vault before I even collected her stuff.