sadly i have not unlock legendary soul. i rank up much more slowly than i thought. i will finally unlock arthur using the soul p from event.
also sadly, i have only 1 SSR. do not like reroll and i got good lightning synergy from gacha kamihime.
just farming raid boss for SR drop, and more importantly farming 25AP weapon and eidolon modfod 1hr quest on sunday when they appear. i got over 10k weapon experience from sunday 1hr quest to level my weapon grid.
but enough about me, on topic though, maybe it not 18k requirement? it sound very high, but probably it impossible to know until event start. unless developer themself have talked about event. i think it not 18k, because most player only start a few days ago, not 2 weeks ago.
good time to discuss about stats. most gacha SSR weapon will be stuck at 0 uncap unless very lucky or very whale. fully uncap SR weapon stats is about same as 0 uncap gacha weapon, but take much more resource to level to the max lv85 compared to gacha SSR max lv50.
event SSR which also can be farmed to full uncap will be much stronger than 0 uncap gacha SSR.