Investigate Tomb Entrance
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All Assassin’s Creed: Origins Guides
To assassinate the bandit leader in seven farmers in Assassin’s Creed: Origins climb up to the platform above the entrance using one of the poles:

To assassinate the bandit leader climb up to the platform above the entrance using a pole.
Jump to the higher platform and let it go all the way down. Quickly climb back up the the platform above the entrance, jump to the rope ahead and swing around to the next platform:

Keep your momentum going and swing around on the rope to the next platform to assassinate the bandit leader.
Keep running and jump up to the higher platform.