The phrase "entire arsenal" means having all the tools or resources needed for a particular task or situation. It refers to having an extensive range of options or capabilities that can be used to achieve a desired outcome. Full definition
The same could similarly be said for the two weapon restriction, of which could be frustrating for those that feel empowered by carrying around Duke's entire arsenal of guns in Duke Nukem 3D. (consoleob.com)
Entire Arsenal Attacking units seems to be going... in 2010 Wenger went looking for Ligue 2 players like Giroud... lets hope he does not go panicky raiding the championship (justarsenal.com)
Fact Check: Fabregas has more assist in 16 PL games for Chelsea than Wilshere has in his over entire Arsenal career. (justarsenal.com)