~10.46 magicka is as much as 1 spell power if I remember well. You can use 10.5 (easier to remember).
So 40k mag would be approx. 3800-3830 spell power.
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Basicly the more magicka you have the more damage you do.The ratio from what asmael says is that every 10.5 magicka = 1 spell power on your tooltip damage. its not spell power but it does the same.
Healordiet templar healer
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Ebonpact cp531 Na Ps4.
Basicly the more magicka you have the more damage you do.The ratio from what asmael says is that every 10.5 magicka = 1 spell power on your tooltip damage. its not spell power but it does the same.
Ability value = ability coef x ( max magicka x 10,46 + spell dmg )
So the dmg of spells goes up if you increase max magicka and/or spell dmg. This is also the reason why builds with 42k max magicka and 4.4k spell dmg hit really hard.