This guide will let you know how to get the Weeping Wounds in Warframe.
Weeping wounds can drop from bounties on Deimos as an uncommon reward for completing the bounties.
You will usually be looking for a bounty level is 15-25, as with all bounties in open-world areas. If you don’t see the reward you’re looking for in the bounty, you will need to wait until the rewards refresh, which you can see at the top of all bounties when the rewards will refresh.
Now the mod doesn’t have the lowest drop chances; seeing as how it’s uncommon in the reward pool, it shouldn’t take you a ridiculous amount of time to get the mod unless you get it quickly.