Performed some experiments
100% working in adventure mode
You can abuse the mod in all of the "Daily Section battle"
Use caution when using it in the "Weekly Section Battle" ( It's safe to abuse in world boss just don't get the 1.8billion points , you'll get perma ban)
In "Challenge battle Section" you might get ban if you reached floor 125+ in Hero tower
Dont use the mod when it's around time to refresh the server (by midnight)
In pvp the strategy is in every battle (use it - dont use it - use it - dont use it - and so on)
Also don't even try to activate the god mode in guild war
try to lower the dmg multiplier by 2 in guild war
I sacrifice 10+ dummy accounts for this experiment