I'll admit, I did overlook this power-granting ability, mainly because it seems so vague I wasn't sure what it did.. on first reading it seems like maybe a biological version of Heretical Adaptation, but on closer look I actually really don't know what it does. Let's look at the relevant part of that perk:
[...]
So what does this do exactly? Does it make them FFVI spellcasters or general characters? Give them specific or random magical abilities? A bit earlier in the perk it says that with items "you can enhance it in every single way and give it unique properties." This sounds quite powerful, but again I have no idea what it could actually accomplish on the specific. Does anyone out there have ideas on what the possibilities might be?
Edit: Of course, what we really really want to know is, just how much of a Magical Girl could he turn Aisha into for reals?
Lord tends to follow how the perk would behave in its original jump and the wording of the perk itself.
So it might potentially allow him to give any magical system he has access to to others. And probably even enhance his own magical powers using the same method.
So that means Magic Circuits, Magic Familiars (for females, not sure if this can bypass the limit that magic system has for females only), Magika Pool, Mana Pool (a few different jumps use mana pool), spirit magic for talismans (maybe not sure if this counts), spirit magic for eleven enchantment (unlikely as it might be limited to elves and not sure if things that use spirt count), Aura probably also counts. Harry Potter Magic should also count.
Edit:
And I probably missed a few and there are ones he doesn't have yet.
Edit 2:
Might also allow others to use Dark Alchemy (secrets of evermore).
More than that. Really, really more than that.
In FF6, spellcasters who don't either have Esper heritage or use Magicite are produced by infusing them with the magical energies of Espers... which, obviously, is what the Magitek Mastery perk is based on. The
simple description of what the perk does, then, is that he can take a source of magic and use it to infuse either technology or people with that form of magic. The kicker is just what that means in practice and how general each of those criteria are... especially in this particular story.
First, note that in FF6 Cid - who almost certainly has the abilities the perk is themed after - didn't actually have magic himself, so it can clearly be used to grant magic Joe himself doesn't have. Then, note that Celes, the party's Magitek Knight, is entirely capable of learning spells from leveling that the Espers whose magic gave her abilities probably didn't have themselves, so the ability doesn't
just grant a carbon copy of what the magic source is capable of, but can give a more general access to that type of magic.
So as long as Joe has that perk and has
anything with some part of the desired setting's magic, he can grant at least somewhat-general access to that setting's magic to someone, including himself. He could take one of his Kazooie Alchemy potions and give someone the potential to learn Mumbo Jumbo's magic. He could do the same for Dust to give Maiden powers (not Aura, which isn't magic, but he can grant Aura anyway). He could give LotR magic by using one of his Elven Enchanted items, or Samurai Jack magic using a rune weapon. He could even give 40k Warp Sorcery by using a vortex grenade malfunction to summon and capture a demon.
Also note that Type-Moon magic can use ki/od as a power source, which opens the possibility of granting potential to access ki abilities. Also also note that
parahuman powers count as magic (Edit: for purposes of this story, specifically), so if he has a parahuman around he can grant a version of their power, possibly a jailbroken version, as an innate ability.
The perk can be used to create magitek, so he could even grant the above abilities to a robot inhabited or otherwise controlled by Fleet, Survey, or (once she's un-Mastered) Dragon, which would potentially open up avenues for Survey to do hands-on spell research for things like Ranked Magic or Elder Scrolls.
Lord was definitely not overselling the perk. At all.