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Turn on Combat Mode File:Combat 32.png
Enable with 4, disable with 1 or toggle with F by default. Left-clicking people with an empty hand will Harm File:Harm 32.png them if on, or Help File:Help 32.png them if off. Prevents you from switching places or being pushed when colliding with people.
and then left-click.
This template is meant to be inserted wherever "left-click with combat mode on" needs to be quickly referenced.