Su-Jin squints at Jacob. "You have two mana pools now!" she informs him. "One of them looks like the native magic." 

"Interesting." Jacob mentally pokes around for his new powers. How intuitive are they, if he just wants to levitate a bit of water out of the lake, can he do it?

It doesn’t seem to be quite that simple, but, with a few moments searching, he hits on how to do it- it feels almost like the water closest to the ship is him, with a corresponding proprioceptive sense of its location and a corresponding ability to move it, provided he twitches the right metaphorical muscles. About six bathtubs worth of water seem to be relevantly his at a time; abandoning water that’s currently his in favor of other water seems as easy as breathing.

With that figured out, he does seem to be able to lift a bit up beyond the surface of the lake, in a ball- but it remains connected to the rest of the lake by a narrow line of liquid, and, if he decides to break that line off, the ball of water seems to abruptly cease being his and just as abruptly splashes back down.

It's a lot like the way he already senses and controls the Covenant, right down to the limitation where any part that's separated from the rest ceases to be under his control. The only real difference is the medium, liquid rather than solid objects. 

He plays with the water for a minute or two, then starts poking at the rest of his powers. There was something about 'influencing minds' that sounded interesting...

It takes a touch of concentration, but if he closes his eyes it feels like he has a very vague sense of nearby minds- just enough to identify them and their locations, and with enough reach that he can sense everyone on the ship and everyone on the shore. It also feels like he could try to make them his, in the same way that the water is- whether he’d actually like to attempt it is up to him. 

Maybe later. 

(He's already looking forward to experimenting with Cas.) 

Meanwhile, Su-Jin continues to bug Arizvam with questions. "You said dragons grant 'star breathing'. What is that, exactly?" 

The air sings.

“... is related to the way dragons claim demesnes. Breathe something like fire; doesn’t burn, but does- tinge. Can use other magic on tinged things much more easily.”

Su-Jin opens her mouth to ask another question—

And there’s suddenly a green-furred deer in front of her! It only has a single antler, on its right side, and it accordingly looks a bit unbalanced.

“Su-Jin Kaito. Su-Jin Kaito. She who has considered all knowledge she knows, she with a mind like swift steel sharpened stone, she with a wit beyond meter and measure, she to whom thought is an eternal pleasure. Su-Jin Kaito. I come from the Madame of Honesty Sown: I come for the own known as Su-Jin Kaito.”

"That's me!"

Su-Jin does not bounce as she greets her familiar. (Her familiar! Who comes with new magic powers!) Definitely not. She is a responsible adult and there are people watching. 

(She maybe bounces a little.) 

"What are you? What can you do? Do you have a name? Do you mind if I give you one?" 

“Familiars can answer arbitrary binary questions about their attributes but cannot, generally, answer open-ended queries or questions about their opinions. No.”

What a good familiar this is. "Arizvam, I have a green deer-like creature with one antler. Could you tell me about its abilities, please?" 

“Is a Luduan,” says the air. “Depends on type; royals can speak to anyone, anything- though stone is not very good conversationalist. Fly and act very very fast, copy other familiar powers. Lesser types can do subset of those things. Very handy, very versatile.”

...yes okay bouncing is happening. Su-Jin pets her Luduan, grinning so wide her face hurts.

"Which type of Luduan are you?" she asks, already poking around in her brain for new powers. Copying other familiars' powers sounds amazing, especially since there are two of them right there. 

“Noble,” it responds.

"Can you fly? Can I fly now?" 

“Yes, and yes,” it says. Is it cheerful? It’s intonation is a bit alien, but it sounds sort of cheerful.

Pet pet. Good alien deer. 

Now, how does flying work? "Can you show me how to fly?" 

“No,” it says.

It doesn’t seem particularly tricky to figure out, if she spends a bit concentrating- it feels like there’s a little lever, in the back of her mind, set to nothing at all, and it’s rather... transparent, about its purpose. It might as well have neatly labeled settings, one entitled ‘default’, one entitled ‘you can walk on air’, one entitled ‘you can walk on air, and any movement you make will be magnified tenfold’, and one entitled ‘you can walk on air, and any movement you make will be magnified much, much more than that’. It makes for a rather odd sort of synesthestic experience.  

Well, that's delightfully straightforward. She sets it to 'you can walk on air', takes a few steps like she's climbing an invisible staircase, and grins. 

"Cas, look!" She walks around a few feet above the deck, twirling in place to show off how easy it is. This is the best type of flying; it doesn't involve new limbs or new modes of movement at all. 

"Very nice! But can you go as fast as me?" 

Su-Jin gives him an amused look, and flips the switch to 'you can walk on air, and any movement you make will be magnified tenfold'. Then she glances around, assessing the space in which she can move, and breaks into a run that takes her right past Cas and out over the lake. 

Cas calls up the wind and chases her, laughing. 

A Luduan Mage in that particular mode can run at sixty miles an hour, fairly trivially; he might have a tricky time actually catching her.

The fact that a large tornado chooses that moment to appear overhead- with a low-pitched thunk thunk thunk thunk and a screaming whirrr and a rumble as cacophonous and roaring as an incoming train- might further complicate efforts at flying.