Their plans to adjust [Endurance] were fairly simple as the first two days were just getting the skill into the spirit. Then when it first entered his core spirit, he had to use his spirit to expand the skill structure in specific ways to get the desired modifications.
While training with Aunt Helen he also learned that Tier increases acted as a multiplier for proficiency in moving the skill structures in his spirit around. At Tier 5, it was 3.6 hours faster than it had been at Tier 1. And considering they both wanted to time the skill reaching their core spirits for noon two days from now it was useful information.
When they reached their suite on the train, they found one of the doors shut, so they set themselves up in the remaining room.
Matt took more time, since he had to set Aster
