So, i just got blessed with -atk Ryoma, should i fodder his weapon off to my spring kagero or give flyzura chill def 3 ? Im running flier emblem with flyzura, lethal carrot heavy blade seal glimmer kagero, galeforce brave cordi, brave cherche, and -atk elincia as substitute, as this will make the team 2x blue 2x green and its full physical. Armor teams are already a pain in the ass for this team, and hector makes me vomit unless i get kagero debuff and one hit him with fully buffed brave cherche ( +6 from hone and 2x goad fliers ). It also disables vantage but on the other hand kagero wont proc +10 dmg on every attack. Chill def is also available from the free GHB unit
Not really sure that Colourless Dagger units can equip Coloured Dagger weapons, if so then you can correct me. I would appreciate any Dancer even if it's - Spd or Atk. Ryoma can be really great for those tricky units that are a constant threat in Arena/AA. NY!Azura can simply have WoM, and keep S!Kagero the way she is. If you are willing to fodder Chill Def, like you said, I would promote and fodder a Walmart, but in the end it's your choice.
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