How much additional damage can I deal with Chaos Arc?

Name
How much additional damage can I deal with Chaos Arc?
Details
Chaos Arc (Cast: Deal 3 damage. Deal 2 additional damage for each prepped spell in an adjacent breach.) deals two additional damage for each spell prepped in an adjacent breach when it is cast. This means, neglecting any other damage bonuses, Chaos Arc could deal up to 11 damage if four spells are prepped in two adjacent breaches (using Link, Otherworldly Gate, etc.).
Cards
Chaos Arc
Mages
Kadir
Nemeses
Other
Otherworldly Gate Link
References
https://boardgamegeek.com/article/24977911#24977911