The Day of Thunder

Wondering whether to round up or down when it isn't specified?
Specifically regarding part of the Nezumi Warrior School, tech 1:
"The warrior adds half of his ranks in the Athletics skill to his Armor TN while not in the Full Attack Stance."

Do the following advantages apply in some way vs. Yume-Jigoku corruption? Jurojin's Blessing (Scorpion): The Fortune of Longevity favors you, and as a result you can expect a long and healthy life. Whenever you are rolling to resist the effects of a disease or poison, you gain a bonus of +2k0 to the...