ICE

Their time passed like the blink of an eye. Eureka would sometimes stop their training in order to let them rest. But it was not constant. Sometimes it would be a week at times in three weeks. And yet not one of them noticed the passage of time as they concentrate with the training.

The heat that Raven felt became intense everyday. It's like his whole body would be thrown into a pit of fire then slowly that pit of fire would rise in temperature. When Eureka would stop their training he felt completely numb from the pain, and yet he can also feel how the fire within him becomes purer and purer.