At the early stage, its more about acquiring higher rarities. Its impossible to control who you get, but its at least somewhat possible to control what shards you get. Theres some events every now and then that allows you to hoard 5* shards/rank up materials even if you arent Uncollected. Id save those until you can get to around maybe R4 5*. It almost doesnt matter who the 5* is (just not like, Rhino or somethint). Honestly, at that point, youre just going to cruise through Act 1-3 and most of 4. The hard part is actually amassing all the resources. You have to plan ahead and be patient.
I think its better to look up characters that cant get through those acts as 5* R4's as the number is probably smaller than those that can
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I think its better to look up characters that cant get through those acts as 5* R4's as the number is probably smaller than those that can