Sorcerer Magic Evasion

I think there’s certain requirement to evade magic. (like there’s minimum INT and evasion to evade)
also lvl gap has to be 10 to evade magic attacks.

I mainly tested magic evasions on demon, cursed lich, shied lich, and dark wraith. margin of error of that equation was around +-3 int.

here’s some test data for magic evasion.

Cursed Lich (lvl90) me (lvl90)
evasions on armor = 48.
I was immune to cursed lich at 226 INT, 56 evasion. 242INT, 55 evasion. 259 INT 54 evasion.
If I lowered 1 int, i got hit so that was minimum INT and evasion to evade 100%. (I gathered at least 20+ liches then sit on ground and waited 5min to confirm)
I got very confused at that point because I needed 17 more int for 1 less evasion, then I needed 16 less INT for 1 more evasion.

1) so unlike physical evasion, 1 magic evasion was between 16 and 17 INT. so I came up with 1 magic Evasion = 16.13.
226 int = 14.01 eva 225 int = 13.94eva. 242 int = 15.003, 241 int = 14.94, 259 int = 16.057, 258 int=15.995
1 less of int would be 1 less of evasion so I’d get hit.

2) I made an assumtion that 1 lvl would give 1 more magic evasion just like physical evasion. and it worked at pretty similar int. (+-3int)
for example, I needed 259 int 54 evasion to evade lvl 90 cursed lich.
against lvl 96 dark wriath, i needed 256 int and 60 evasion. (3 less int)
also against -6 lvl demon (boccau location now), i needed slightly more INT than this equation to evade fully.
so I am pretty much sure 1 lvl gives close to 1 magic evasion.

226 INT, 56 evasion.
226/16.13+30+56 = 100.01
242INT, 55 evasion.
242/16.13+30+55 = 100.003
259 INT 54 evasion.
259/16.13+30+54 = 100.05

I didnt test part 2) completely yet so I just put 1 lvl = 1 magic evasion.
but my guess is that 1 lvl gives 0.97 magic evasion. (slightly less than 1 full magic evasion) 1 lvl = 1 magic evaison -0.5 INT. or 1 lvl = 15.63 INT
I didnt put this part on that equation yet. cuz I need to test more on this.

also on +12 armor for evasion, I didnt notice much difference between 3 magical resist accessory and +15 helm with 3 magical resist seal.
its either +12 evasion bonus has no magic evasion bonus or it gives very small bonus so its unnoticable. (if it gives 0.2 or 0.4, its hard to notice with just 1 piece, but 5 set would make difference)
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Credits go to jamisont