The final full original ink version of this piece is posted here:
Dark Knight: Original Ink
Joker Penguin: WIP

Penguin: Pencil to Ink

DK: Ink detail

Two Face: Ink detail

Poison Ivy: Pencil

Gargoyle: WIP Ink

Ivy Skull: Ink detail

Poison Ivy: Ink

Beneath the Gargoyle: Pencil detail

Dark Knight: Pencil to Ink
