Spell Burst+Weaken Ailment minimum crit rate for 100% magic crit

So I read from somewhere that one needed 134~ critical rate to do 100% crit on magic skills if one has spell burst lvl 10 and successfully inflicts weaken ailment on enemy. But I tested on don yeti just now with impact>element slash(minds eye)>javelin using fire ele md sub with +139 total critical rate on my mage and still didn't get 100% magic critical rate. Someone I know also said he had +170 critical rate and still didn't get 100% crit magic skills with spellburst+weaken........so, is there a new minimum crit rate requirement for spellburst+weaken to get 100% magic crit?

 

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to inflict the minimum requirement of spellburst+weaken 134 CRT you need magic javelin fire and element slash fire if you use it againts don yeti (also this is affected by crit resist)

 

they are additive and always cap only 75% if all requirement is meet

 

So if I have 134 critical rate, I need to have fire ele staff AND fire ele MD to do 100% critical rate magic skills with spell burst lvl10 + weaken ailment?

 

you need to use the elemental magic weakness of enemy to activate effect of weaken effect.

ex. don yeti is weak to fire wizard skill meteor element is fire the magic 100% crit if you inflict weaken on it. (in case using generic magic skill from magic skill tree you need weapon element to activate the effect of weaken. finale/impact wont activate effect of weaken since its fix neutral type)

 

So, no matter how much crit we have, mcrit will always capped at 75%?

 

i think what he mean is "only 75% of total crit rate will be converted to magic crit rate if all requirement is meet"

 

this is a formula of magic crit and full info

Weaken
CR to MCR = (Total CR)(0.5)
CDMG to MCDMG = 100 + (Total CDMG - 100)(0.5)

Spell Burst
CR to MCR = (Total CR)(0.25)
CDMG to MCDMG = 100 + (Total CDMG - 100)(0.75)

Spell Burst + Weaken
CR to MCR = (Total CR)(0.75)
CDMG to MCDMG = 100 + (Total CDMG - 100)(0.75)

Spell Burst Requirement = Just Normal CR,CDMG will work in any magic

Weaken Requirement = Your magic skill must be weak to enemy element (ex. don yeti is earth. your magic should be fire type to activate critical of weaken)

Also MCR is also affected by Crit Resist

Bonus = Imperial ray INFO

CR to MCR = This skill is always crit (just like buster blade magic version regardless how many CRT you have and ignore crit resist of boss if all requirement is meet)

Requirement = just deploy your cat to always crit

CDMG to MCDMG = 100 + (Total CDMG - 100)(0.5 + {+0.25 w/spell burst})

Estimated Skill Rate info (Not 100%)
Skill Multiplier = 18
Constant = 300
Skill Power = Total ATK * 0.25 + Total MATK * 0.75

Not tested if this skill have hidden growth from INT or other stat (just like in strike stab have boost from STR despite it not shown in game desc)

Also Imperial ray explosive can be detonate by Enchant Sword (Enchant sword is treated as chanting skill even without cspd. so its like easter egg might enchant sword gain MATK boost in Tier 4 skill just like Knight skill Binding Strike + Knight will boost)