Arcanist is weird

[Mikey_R]

Now I'm starting to remember it, actually we're both right.

That 3rd pet was the one that replaced Ifrit when you pulled your Summoner Stone. Most people never saw it or ever used it because they went Summoner without ever sticking to arcanist.

Arcanist only every had access to Summon and Summon II, which are emerald/topaz Carbuncles respectively. Summon III, which is Ifrit Egi is only available to Summoners and you can only become a Summoner after you have completed the Job Quests, which also gives you Summon III.

Arcanist never learned Summon III in any capacity.