To farm seeds in the Dragon Quest III HD-2D Remake, you need to focus on specific areas and monsters that drop these rare items. Here’s a detailed step-by-step guide:

### Step 1: Identify the Best Areas for Seed Farming
– **Post-Game Dungeons**: The seeds you are looking for, specifically the Seeds of Magic, are only dropped by Baramonster. These monsters can be found in the post-game dungeons, particularly in the Mysterious Cave and other similar areas.

### Step 2: Locate Baramonster
– **Mysterious Cave**: This is one of the primary locations where you can find Baramonster. Make sure to explore all areas of the cave thoroughly, as these encounters can be random.

### Step 3: Prepare Your Party
– **Party Composition**: Ensure your party is well-equipped and has sufficient health points (HP) and magic points (MP). You may want to bring characters with high defense and HP to increase your chances of survival during battles.
– **Equipment**: Use the best equipment available to your party members, especially those with high defense and HP.

### Step 4: Engage in Battles with Baramonster
– **Battle Strategy**: When encountering Baramonster, use a strategy that focuses on survival rather than dealing massive damage. This is because the goal is to farm seeds, not to defeat the monster quickly.
– **Healing**: Keep a healer in your party to ensure that everyone stays alive. Use healing spells or items like potions to maintain HP levels.
– **Exploiting Weaknesses**: If you have access to information about Baramonster’s weaknesses, use them to your advantage. However, since the primary goal is to farm seeds, you might not need to exploit weaknesses aggressively.

### Step 5: Collect Seeds
– **Post-Battle Rewards**: After defeating or running away from Baramonster (since you’re farming seeds, running away is often a better strategy), check the loot for Seeds of Magic. These are rare and highly sought after for character development.

### Additional Tips
– **Seed Rarity**: Seeds of Magic are incredibly rare, so be prepared for a potentially long and challenging process. You may need to repeat this process multiple times to obtain the desired number of seeds.
– **Party Management**: Manage your party’s resources carefully. If you’re low on MP or HP, consider resting at an inn or using items to replenish them before continuing your seed farming journey.

By following these steps, you should be able to effectively farm seeds in the Dragon Quest III HD-2D Remake. Remember that patience and persistence are key when dealing with rare items like Seeds of Magic.