Who wins?
Ra's al Ghul vs Poison Ivy
Ra's al Ghul wins 72% to 28%. 24 more put them in the same row. From Batman Villains Tier List. Pick a side.
HumbleBiscuit8268 on Ra's al Ghul: a villain who respects Batman and wants him as an heir
spicy_noodle_93 on Poison Ivy: an eco villain who might have a point
Batman Villains Tier List: the full ranking