Ezio arrived at Leonardo's workshop.
- Leonardo: Ezio! Thank God you're all right! This madness with the Medici and the Pazzi, is this why you pursued Francesco?
- Ezio: Not exactly...
- Leonardo: Well, whatever your reasons, the city's safe again thanks to you! Now tell me: how may I be of service?
Ezio handed Leonardo the Codex page in his possession.
- Leonardo: Ah! Another page! Aha! It's a similar cipher to the last one. This won't take long. Interesting... oh... indeed... I see... It's another blade design – for delivering poison!
- Ezio: Can you build it?
- Leonardo: Sì. (Yes.) It won't take very long. I just need to find a way to hollow out the blade without sacrificing the–
Leonardo noticed Ezio unstrapping his Hidden Blade.
- Ezio: It's alright, Leonardo. Just do what you need to do.
Leonardo crafted the Poison Blade.
- Leonardo: All done! I've filled your blade with a bit of poison to start with. Should you run out, just visit a doctor.
- Ezio: Poison? From a doctor?
- Leonardo: In high enough doses, that which cures, can kill.
- Ezio: I am in your debt once more, my friend.
- Leonardo: Anytime, Ezio! Anytime!
Ezio added the Poison Blade to his arsenal of weaponry and obtained another decrypted Codex page.