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So I gave Orisa the energy sword that the OR-14s wield in the "Honour and Glory" cinematic!
Feel free to add this in your own gamemodes, so long as you include credit :))
Go Orisa and melee to use the sword attack.
Crouch + Reload to spawn a hostile enemy Orisa bot.
Interact to spawn an enemy Reinhardt dummy.
Interact + crouch to spawn a friendly Reinhardt dummy.