A shadow skulks through the banquet hall, carrying with it a deadly toxin to assassinate the king! But how will the assassin strike?
A player discovers a vial of green liquid in a dungeon - poison! They uncork it to determine it's contents, but how much danger are they in?
The GM needs a new poisonous attack on the fly - but how will the toxin be delievered?
The poison type d4 can answer these questions - but not really more, because, you know, it just has poison types on it - for players of all sorts of role-playing systems.