Overview
Kunad Highway – Junction is probably one of the best place to farm Battle Record A, since you can cheese most of the mobs using bus. You unlock the map pretty early, around 4-5 hours into the game.
Where and How to Farm
Kill Bandeau Pendu using Arashi/Kagerou SAS, and finish it using LT/L2. Kill other mobs like Buddy Rummy and Brawn Yawn using Shiden’s SAS. You don’t need to have “Concurrent SAS Activation” Skill that allows you to use 2 SAS, just using Arashi/Kagerou is enough. It takes about 2-4 minutes to clear the map, so it’s pretty efficient.
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I play on Hard difficulty, and for me, i get 2-3 average drops per-run. If you’re lucky, you can get 4, but if you’re unlucky, you only got 1 or not even dropping at all.
Here’s a link to my video: