Compared to players and monsters that could be spotted ahead of time, traps were more uncanny and oftentimes, impossible to spot even with an impressive scouting skill. Even with [Eye of Joki], the skill from the silver crown, Sato couldn't spot the traps.
Because of the bizarre layout of the labyrinth and some mysterious power shielding it, the effect of the [Eye of Joki] wasn't as overpowered as in the first event with Sato's visual range being suppressed. This couldn't be helped as Sato wasn't so proficient with the skill yet. Even so, Sato had tried his best to avoid most traps, but there were some that even effort couldn't save one from.
False worlds.