Bolt Mastery Title

Does it act the same way as the Elemental Masteries' Titles where the title adds the percentage to the given percentage of the skill? (i.e. Rank 1 Ice Mastery gives 15% Ice Damage and the title adds 10 making it 25%) So does Bolt Magic Master do the same? (i.e. 15% from Rank 1 Skill + 15 from Title gives it a total of 30% Magic Bolt Damage?) Also which one would be more better for bolt spells, the bolt's respective Elemental Mastery title or Bolt Magic Master title?

Bolts are crap, so why bothering? Though for your question, I'm not sure how the % work. The Elemantal Mastery title would be better because the skill adds mana reduction. If mana isn't a problem, then go bolt master(?)

Well, I want to know in part for Hot Air Ballooning as to which title is better for usage with CC+4 Fire Wand (Bolt Master or Fire Master).

r1 Firebolt is enough. I think.

Pretty much yeah. Even with really bad INT, just having r1 firebolt is enough to 1 shot them.

Disregarding Hot Air Ballooning then, which title would boost CC+4 Firebolt much more?