Maybe some nice options:
* New guns
- Cluster bomb = shoots a bomb which on impact releases 3-8 smaller bombs to do dmg to nearby ships
- Rail gun = this strong laser charged weapon pierces through 2 targets for massive dammage
-Cluster missile = after launching splits up in 3-6 smaller missiles for moderate dmg
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* What is the critical chance dmg? maybe we can upgrade the critical dmg for another 50%-100%
*New modules (limited to 1 per ship, connects to the 2 closest friendly ships)
-Battle booster, increases the firing rate of nearby ships for 1%-30%
-Emergency repair, repairs the nearby unit under 10% op the hull value
-Energy shield, reduces the dmg taken from energy weapons by 5-30%
-.......^^ the shield thing
Sorry to say this, but this was very easy actually, i dont have all the upgrades, i miss about4-5 on every character and the bossfight i indeed bought all the runes. Easy win!
 "Enchanted Heroes"){kind=icon}
 "Royal Heroes"){kind=icon}
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 "Mighty Knight"){kind=icon}