Ibara is flabbergasted Senku survived, he questions this because the island was engulfed. Senku taunts him on believing he won.
A flashback revealed Chrome came up with a plan intended to let Senku estimate the speed of the petrification, by taking note how how long it took for everyone to get petrified while standing in a line more or less evenly spaces apart. Senku who was debating on this caught on and used his counting skill measure the timing and calculate when he should toss a bottle of revival fluid into the air to save himself after being engulfed.
After silently thanking his friends, he tries to get the device from Oarashi but can't break the statue. He notices Ibara approaching before deciding to set a trap.
Characters in Order of Appearance
- It is revealed Chrome's plan was to track the time for the petrification, so Senku could measure it.
- Using his counting skill, Senku deduced the time and poured the formula on himself.