just found some renders on thisisgame.com too. they dont looks nearly the same quality as the elyos ones--least not to me. i think they could use a second pass, or could be something they had from a while ago that was unreleased. those images on the main site tho look a bit better.
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evenom > yeah, i finally got one of the videos to load and it does seem to come out of the mid to lower back, surrounded by what looks like an extended spine, or perhaps some of their armor. 'm not sure whether that is a natural body feature, or something they tact onto their armor.