i still don't get the technicalities of asperier's going back in time what's with the graves and the statues...?
Basically, whenever they approach the bot, the bot always ends up dead, so they go back in time to find another ways to avoid the bot from being dead. The graves and the statuea are the bot's grave from the past.
i almost drop it near the end of the first season (around chapter 40ish), i'm so glad i didn't