can anybody give me the mats for ascension 4 and 5 pls

i been grinding hella like 4 days and i only got to ascension 3, i first was was kill the bosses in boss island and then killing the actual boss that drops the mat cuz i thought pity would help but i would get like the rarer items now i am just server hopping till i find the boss, if you have any better strats or anything help pls lmk