The phrase "hectic battles" refers to intense and chaotic fights or conflicts where there is a lot of activity, noise, and rapid movement happening at the same time. Full definition
The thing that breaks the flow of combat is the immense slowdown that occurs during particularly hectic battles or even when navigating some areas of the city. (snackbar-games.com)
The Steam and Wargaming versions will use the same servers and the same version of the game, allowing for even more hectic battles on the high seas. (massivelyop.com)
Graphically the game boasts some nice colorful visuals and runs smooth during even the most hectic battle scenes. (pixelatedgamer.com)