since I finally was able to clear the shard abyss and have 20 random r character shards, ive been farming it, per clear i can get 10 more but the shard abyss is available 3-5 days and lasts for around 3 days, since my characters already have full uncommon gear (except neck and earrings) I guess I'll slowly grind 1-10 for the blacksmith and storage, and 1-8 for the ring (i have surplus of common resources and I cant auto 1-15 so this is for the best) Ill upload a video of me clearing the abyss when i can.
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From @invictex