Lost Ark has numerous collectibles to find in its many different areas. However, none are as numerous as Mokoko Seeds. These small seeds look like fruit and have a green glow to them.
Yeon's Barrier is a dungeon with seven Mokoko Seeds. The dungeon is fairly short and linear, so finding and collecting all the Mokoko Seeds here shouldn't be too difficult if you are paying attention. Here is where to find all Mokoko Seeds in Yeon's Barrier.
Related: All Mokoko Seed Rewards in Lost Ark
Where to find all Mokoko Seeds in Yeon's Barrier in Lost Ark
There are, however, some hidden Mokoko Seeds in Yeon's Barrier. The white star shows a hidden path obscured by jars. Break the jars to reveal the path and collect the Mokoko Seeds there.
The yellow star shows a hidden path where two Mokoko Seeds are. Use the interactable jump spots to reach the hidden area. Don't forget to grab the final Mokoko Seed before fighting the boss.
For more information on Lost Ark, check out All Mokoko Seed locations in Prisma Valley in Lost Ark and All Mokoko Seed locations in Melody Forest in Lost Ark on Pro Game Guides.