you will need at least 75k visiore to buy all those shards to max lb 3 UR. plus gazillion tons of visiore to pull the unit itself. 84 rainbow sphere to full awaken 3UR. 27 rainbow fragments. 1020 elemental fragments. I call 🔥 F2P Anonymous. or you're just delusional.
Kitone, Xiza, Shadowlyx and Owe are part of the dodge meta, she's much better than Whisper for sure, however you might want to read on dodge meta before jumping in, as it's expensive and requieres a lot of planning/crafting.