Morrigan (Morrigu) - with her sisters Badb and Macha, she forms a triad of war goddesses; she fortells the outcome of all battles, and is considered the witch queen of death
Sidhe Irská Keltská Mytologie
The Morrigan... I love this! Absolutely beautiful!
The Morrigan is ‘The Phantom Queen’ of Irish Celtic legend
Curiosity Did Kill The Cat by ChrisDayo on deviantART
The Morrigan by =Csyeung on deviantART - In my campaign, could be a Sister (or Avatar) of the Raven Queen. Or just a sorceress of some kind.
Queen, Symbols and Dark on Pinterest
Rhiannon and Celtic Horse Card by Briar Welsh Celtic Epona Goddess Greeting Card