оба вопроса полностью раскрыты в последнем факе.
Q: When taking a Leadership test, sometimes you have to take it on your unmodified leadership. What is your unmodified leadership? (p10)
A: Your unmodified Leadership is the highest Leadership characteristic in the unit. Do not include any modifiers from any source, for example, Strength in Numbers, Inspiring Presence or the Doom and Darkness spell.
Q: If a Monster and Handlers unit is required to take a Leadership test, which Leadership value can you use? (p73)
A: You must use the highest.
По магу - бонуса не будет. Монстр и хендлеры - 1 юнит, соответсенно высшее, герой и маунт - один юнит, тоже высшее