Frozen shackles, perhaps? 

A strong option. Might want to make sure the anchor's secure, though.

She'll add more layers of ice as needed - and step up her own distractions for Eridani, including her own wandering hands. 

Of course... the more worked up Eridani gets, the hotter her anima starts to burn.

Jadis can drop the temperature pretty low herself...

The great battle of fire and ice! Round one! Fight!! Hmm seems like everything is gonna get wet.

Part of the goal.

And, uh, how fireproof is Jadis herself?

'Very,' it seems.

Excellent.

Just as excellent as Eridani, really. 

Eridani is maybe a little more excellent that that.

She drags the excellency of everything she does up in her wake. 

Exactly!

Makes such basics as warmth a study in ecstasy.

Both of those are pretty much her stock in trade.

Jadis is beginning to get an idea of that. 

She's clever like that.

Exceptionally perceptive. 

Just one more aspect where she stands out from the rest.

One of very many. 

Possibly- just maybe- too many for Jadis to learn in a single session.

They'll need to plan more, then.