[Donnie grins. Oh, he is all about mods.]

I know how that is. That's why my tech-bō has just about everything I can jam into it.

[He can guess at BD's commentary. which is kind of funny coming from a droid either way.

And then Cal does magic except Donnie's never seen anything like this. His eyes widen as he watches the lightsaber dismantle itself.]

Whoa....

[Can be takes pictures? Because he is totally going to take pictures with his phone as he tries to keep parts straight while Cal names them.

He squints at the pretty purple crystals there.]

It's... There's no power running through it, right? Or does it usually hum? Maybe not hum...