Talk:Day 311-320/Day 319/@comment-122.172.29.155-20160723063909/@comment-112.201.80.146-20160730131508

Okay, found the quote about the created monsters losing their limited lifespan once they've experienced rank up.

生成体は【存在進化】――普通よりも困難なようだが――すれば生成体特有の時間制限も無くなる事は判明しているので、戦力確保としては、結構効率が良い手法なので理解を深めておきたかった.

It's PRETTY recent, in the 351-360 day range. But yeah, there it is. He mentioned it when he was redoing the Worm Toxin project with different kinds of races.