I did another run of daily saga EP and ZOMG! Demonic sword got and... that battle pegasus? Got another! So it isn't limited to 1 per account.
Edit: Also did a run with Kyu. I must say the changes to alchemy are much more noticeable than I first thought. Especially sand burst which is much more useful now. Blinding the black dragon knight's illusion made fighting him much easier.
On a related note, concerning the change to Chain Cylinder, I know some people (aka Seriyu) were worried about this change. I got to say I rather like how it works now. It's still a toggle on/off skill, but always gives maximum charges for your CC rank and activate every 10-15 seconds depending on your CC rank. Unless you are spamming alchemy skills, that usually mean you get a lot more CC activation. The cooldown also starts right after you load a CC skill, not after using the charges, so loading ahead of time is a good idea.