Xebec suddenly arrives in the garden
Imu - Nani?
Xebec - I believe in Davy Jones
Imu - PTSD
Xebec - I will be back
Imu - Aye Aye captain
Xebed did back out as he was surrounded by not just IMU, entire marine forces and elders. He realized he isn't at that level.
But what IMU did in his own backyard? Absolutely nothing.... perhaps he was frozen to the core seeing the Real King