How to get 100 cr

[tulip plank]

I mean it has to be sustainable where the buff can be farmed in a reasonable way.

[uneven kettle]

it depends a lot but generally if you have 90+ crit rate you'll do critical hits nearly all of the time due to the hidden luck critical rate bonus (gives you more critical rate depending on how much luck you have vs the mob you're hitting - bosses are more resistant to this but having 90+ crit rate is enough for most normal mobs)

if you have 40 base crit rate you can:
40 + 5 (flask of battle) + 5 (hero attack nostrum II) + 5 (book buffs) + 2 (belos richiring buffs) + 11 (guild foods) + 24 (union of light critical rate booster) = 92 crit rate

alternatively you can increase your base crit rate by sacrificing some damage (+10 in passives for subclasses, +10 in ascension tree if you don't use exchange of greed), use fisherman's blessing for +10 (though hard to get this buff), use fun blessing potion for +4 (unreliable, event only), starkeeper critical rate booster for +2 (but lost on death), class special for +10 (only 10 min duration and 12 min cd after when awakened, but can be cheesed for 20 min duration 12 min cd)

the only other reliable option without sacrificing much damage or rare buffs is to use special combat potions from the silver coin exchange while the event is active

other than that, storm pots

[tulip plank]

thanks Kedan

[tulip plank]

the union of light has a very short duration though

how can we have 20 minute duration on class specials?

[uneven kettle]

that's a trick some people use where they get ready to run a dungeon, use the skill and log out then wait the cooldown

then you have 10 mins of the buff active and can use it again right away after it runs out