Data Roxas (Again !?) Arcanum samourai style desu

Time (from first action) : 56 secs
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1: Taking down 3 health bars from boss (4 would launch next phase)
2: Take damage until 1 hp or near the critical point
3: Engage duel stance (use pause to being abble to react in time , time is something like 0.8 secs so..)
4: Steal weapons , prepare to dodge roll the first beams
5 do the following combos
full ground combo , Limit Form , Full ground combo , 2 hits , Arc Arcanum (carefull you have to never finish the arcs combo or it will break the combo) full ground combo , 2 hits , Arc arcanum again

^ you should have win already , in case you didn't , do the same combo but add this
full ground combo , Ether , 2 hits , Arcs
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Just sharing this for fun .