a ruiner plasma its own poison
poisoner is killer. poisoner is not killer. venom is poison. poisonous_spider_venom_poison is not poisoning. recluse_spider_venom_poison is not poisoning. blister_agent_poison is poisoning. poisonous_spider_venom_poison is poisoning. blister_agent_poison is not poisoning. vm_poison is miotic_substance_poison.