An energy sword is a fictional weapon that uses a concentrated beam of energy to cut or stab things, often seen in video games or science-fiction stories. Full definition
Instead it is a race for the prized energy sword! (apgnation.com)
This led the player providing commentary to suggest there may be different types of energy swords in the game as a whole. (apgnation.com)
«Duck Hunt,» as created by Halo 5 Forge user Spartan Blood 1 and demonstrated by Unsorted Gaming, is a clever game type where one player shoots and everybody else uses energy swords to try and dart out of harm's way. (kotaku.com)