It's a good idea, [he agrees, then frowns once again as Ren hesitates with the needle.] Well? Get on with it.

[He takes one more swig from the bottle before capping it and setting it aside. He doesn't dare drink much more, at least until he's certain he can keep his thoughts from bleeding out into the Void.

Speaking of... he brings his now-free hand to his lips in contemplation.]

As for the blue fluid... I'm not certain. Some kind of magical energy, to be sure; it flows like liquid, but is as intangible as a gas. It runs more deeply than the flesh in Mementos, as far as I can tell; my cuts revealed nothing but blood and sinew.