【FGO】Double Koyanskaya System Compatible Servants Tier List (Pre Oberon Edition)【Fate/Grand Order】

FGO 6th Anniversary brought with it the first Buster Support Servant in FGO with 50% battery charge, and the first Servant with -2 cooldown effect on her skill. Thus, Double Tamamo Vitch/Koyanskaya opened up a new way for AoE Buster Servant to 3T farming via cooldown reset on their battery skill. In this vid I will go over every AoE Buster Servant in the game currently that is compatible with this new method of farming. I will group them into 3 tiers: High Tier: These are outliers/unique cases that perform better than others. 0:00 Altria Saber Note: 20% refund after NP and 30% Battery on 5T cooldown. Requires MLB Kscope, and free to use any Mystic Code. 2:31 Cu Caster Note: Delayed 80% Battery on 5T cooldown. Requires Mage’s Association Uniform Mystic Code, free to use any CE. In this vid I used Black Grail. 4:44 Emiya Archer Note: Can fully refund once by changing his NP to Art for 1 turn. Requires MLB Kscope, Fragment of Year 2004 Mystic Cod