[This response takes a little longer and Rossiu isn't looking at the 'Gear when he finally replies.]

...We won a very important battle and took control of a giant gunman that serves as a walking fortress and base of operations. Ultimately, it's a very promising victory, but the cost was great. We lost our leader.

[He's trying to make it sound as impersonal as possible; he wasn't as badly effected as some people, but everyone felt that loss.]