So yeah, being a Wizard in the School of Divination was great—especially if you were a Mad Mage.
Once you knew exactly what the Sea Demon could do, there was no point wasting spells it was immune or resistant to.
Still, its Spell Resistance was a little high.
There was one really frustrating thing about Prismatic Sphere.
It could block almost anything coming from outside.
But in practice... it could also block spells Sun Kui cast himself.
Or, to put it another way, it blocked any spell with a line of effect or an attack trajectory.
Fear Spell and Fireball, for example, were both blocked.
In fact—
Prismatic Sphere let the caster walk in and out without taking damage.
But that only meant the caster didn't take damage.
All spell effects on the caster... were blocked too.
For example, if Sun Kui cast Greater Heroism on himself, the effect would be dispelled when he passed through Prismatic Sphere.
Fog Cloud, on the other hand, spread directly from a spell point, so it wasn't affected.
Given the situation, physical damage seemed like a better choice against this Sea Demon than spell damage.
After all, physical damage was reduced by at most 20, while spell damage was reduced by at least 30.
Of course, if he could deal force or sonic damage, that would be ideal.
So Sun Kui chose Sonic Magic.
"Call Lightning." Sun Kui's duplicate quickly expended a 6th Circle Spell Slot to cast an 8th Level Spell, Call Lightning.
He couldn't help it. He didn't have many Spell Slots, so he had to conserve them as much as possible.
A deafening boom rang out in the sky, and a bolt of lightning burst into existence.
But the lightning was only a feint. The real effect came from its sonic