to keep close to her old design try any of these - or put in Neg to reduce chance
may need to add 3d, or realistic, in neg for 2d/anime - suggest weight between - 0.8 - 0.7 - NSFW/SFW
This is focused on her base look (not prime or other skins)
For appearance/for attire
Ember, - helmet, sciene fiction,
mohawk, may help in some cases
there may be some prompts the could help attire like heels, or gauntlets, boots, bodysuit, armor, etc
adding body size enhancements or reduced effects is easier
adding any face prompts may trigger eyes/lips under or on helmet
adding clothing options may make character more human
certain styles may force eyes or face - so use of NEG may be important