From the DC Wiki:
Beatriz Bonilla "B.B." da Costa is Fire, a Brazilian super model turned government agent turned superhero after an accident granted her the ability to generate green flames. Originally created for the Super Friends comic book, she was introduced into mainstream continuity after the Crisis on Infinite Earths. She has been a member of the Global Guardians, Justice League International, Super Buddies and Checkmate.
More at this link: https://dc.fandom.com/wiki/Fire
Drawn in Clip Studio Paint Pro on a Surface Pro 4. Trying some experiments still, using green lines on the ink layer. Also using a very pale shade of purple for the shading layer instead of darker greens or straight up grey tones.
Here is the time lapse video showing my QuickPaint technique:
And I have no B&W layer to share. Instead I have this Green & White lineart layer:
