This using 4stars units only. These units are Easy to get. Japanese→brThis using 4stars units only. These units are Easy to get. BoonBanes, rarity and seals of the units: Donnel: Neutral, 4*, seal ATK +1 Olivia: Neutral, 4*, no seal, .brThis using 3stars & 4stars units only. These units are Easy to get.brSince many of you have trouble doing Infernal mode, I tried my best using F2P units to clear this. All of the units used are free including the Skill inheritance .