User blog comment:Xilinoc/ch. 544 - Walking With Watchers/@comment-5657895-20130703170757/@comment-11051098-20130703184338

He cut Tesla in half, apparently. The last we saw of him was shedding a tear as Nnoitra died, and I assumed Tesla died too. He was cut vertically, but he didn't appear to have been cut at all when he reverted back to his sealed form.

From how he looked, I'd say he might have survived.