FOUND!: Fic Search: Arthur's mom is in dreaming & trains him as a child

[sparkysparky]

Looking for a fic where Arthur's mom is a BAMF in dreamshare criminal world and trains Arthur from childhood. When she leaves him on his own, he trains Eames to be his partner. I think we find out later that Arthur's mum is one of the dreamer's in Yusef's dream den. It's making me very grumpy that I can't find this fic, because I could sear I had it bookmarked. :(

Found!
Companion