Alistair watched as the weapons transformed, taking note of the large majority of them being bladed weapons like he and his brother. As his brother began to stretch, he did so as well, but to a much further extent than his brother. He needed to be ready if his brother was going to turn into a weapon. "So, will you be showing off your weapon form now, or will I have the honor or doing so?" He asked, honestly wondering how the would start off.

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While not having any true reason to stretch, Karin did anyway. Even if she was the weapon, she had to stretch before whatever exercise they would be doing. 

The teacher had not yet said anything about transforming, but it was something that didn't need to be said, as his own partner transformed into a weapon as well, but a different one than the one that they saw when the two of them introduced themselves to the class a few days ago. This weapon form was smaller than the one before, but it was still a large silver greatsword with purple accents going all around it. The design was asymmetrical, something that brought the young Lord Death insane whenever he saw the weapon. One half of the weapon had jagged and straight purple lines going through it, and the other half had curved lines, almost resembling the wind. 

Karin looked at her partner after stretching and was basked in a white glow before turning into a weapon, falling into the hands of her Meister wordlessly as her human appearance was in the reflection of the weapon.