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CoT 7 5 dragon steaks bbqs 1 faat drink; mermaid spam; trying to distract boss by flying around (if you don't have sera then completing this levels will be a big pain). Aeon to clear some path if you have him and finally plenty of luck. recommended for lvl 1600+
CoT 8 is easier same items (5dsbbq and 1 faat) ninjas+ --> rage --> ninjas+ etc, recommended for lvl 1000+ just have to defeat igniz and othen units and then ninjas will just eliminate the boss slowly, well you will have a whole hour with 5 dragon steaks...