This is my idea for changing echo from a dps character into a support, which I have made into a workshop gamemode. I hope you enjoy! Spawn in two tank bots that you can test the changes on (spawn in roadhog if you want them to stand still). Spawn one bot on your team, and one on the enemy team. press interact to damage your teammate bots, in order to test healing, and crouch to damage yourself to test self healing.
These are the following changes I've made: