If you’ve spent hours grinding Terraria events hunting for exclusive gear, you’ve probably wondered how to get defender medals terraria at some point. These shiny, event-exclusive tokens are your only ticket to some of the best late-game support items, powerful sentry summons, and vanity gear you can’t get anywhere else in the game. I’ve spent dozens of runs testing the fastest ways to farm these medals across all difficulty levels, so I’m breaking down exactly what works, what doesn’t, and how to avoid wasting hours on low-yield runs.
What Are Defender Medals Used For in Terraria?
First, let’s cover why you even want to grind for these medals in the first place. The Tavernkeep NPC is the only vendor that accepts Defender Medals as currency, and his inventory is packed with game-changing items for every playstyle. If you main a summoner, you’ll recognize the Staff of the Frost Hydra and DD2 Sentry Summons as some of the highest damage sentry options in the entire game, perfect for boss fights and event farming. I still use my Frost Hydra every time I fight the Moon Lord, it deals consistent damage even when I’m dodging fatal attacks.
Even if you don’t play summoner, you can grab powerful accessories like the Shield of the High Templar that blocks projectile damage, or fun vanity sets to customize your character. You won’t find any of these items from chests, boss drops, or other vendors, so earning Defender Medals is non-negotiable if you want to unlock the full Tavernkeep catalog.
How to Get Defender Medals in Terraria: Core Requirements First
You can’t just jump right into farming these medals as soon as you spawn a new world, there are a few pre-requisites you need to check off first. First, you need to defeat either the Eater of Worlds or Brain of Cthulhu to unlock the Tavernkeep NPC, who will spawn randomly in your world once you’ve beaten one of those early pre-hardmode bosses. Once you find the Tavernkeep, you can talk to him to start the Old One’s Army event, which is the only source of Defender Medals in the base game. You’ll also need to place the Eternia Crystal Stand he sells you, and have at least 10 Eternia Crystals to start each run of the event.
I’d recommend setting up your event arena close to your base before you start, so you can quickly grab healing potions or swap gear between waves if you run into trouble. The full list of non-negotiable requirements to start farming is:
- Defeat either the Eater of Worlds (corruption worlds) or Brain of Cthulhu (crimson worlds) to unlock Tavernkeep spawns
- Locate and rescue the Tavernkeep from a random underground or surface cabin in your world
- Purchase an Eternia Crystal Stand and 10+ Eternia Crystals from the Tavernkeep for 1 gold each
- Build a flat, open arena at least 60 blocks wide on either side of the crystal stand to spawn event enemies
If you skip any of these steps, you won’t be able to trigger the Old One’s Army event, so double check each item off before you waste gold on extra crystals.
Fastest Farming Methods for Maximizing Defender Medals Per Run
Now that you’ve got all the pre-requisites out of the way, it’s time to start farming, but not all Old One’s Army runs give the same number of medals. The number of medals you earn depends on the event tier you play, your difficulty level, and how many waves you successfully complete. First, you should always play on the highest difficulty you can handle reliably. Master Mode runs give 2x the medals of Classic Mode runs for the same tier, so if you can survive Master Mode without dying repeatedly, it’s worth the extra effort.
Next, focus on unlocking the Tier 3 event as soon as you beat a mechanical boss in hardmode. Tier 3 runs give up to 15 medals per clear, compared to just 2-3 medals per Tier 1 pre-hardmode run. I used to grind Tier 1 runs when I first started playing, and I wasted almost 3 hours getting enough medals for a single sentry staff, compared to getting the same amount in 30 minutes of Tier 3 runs later on.
If you’re playing with friends, split up to cover both sides of the arena. Enemies spawn on both ends of the crystal stand, so having one player cover left and one cover right cuts clear time in half, and you both get full medal rewards for the clear. Also, use sentry summons before you start the event, they’ll attack enemies automatically even if you’re busy dodging heavy hits from boss enemies like the Dark Mage or Ogre.
Common Mistakes to Avoid When Farming Defender Medals
I’ve made every possible mistake when farming these medals over the years, so I’m sharing the most common ones to help you skip the frustration. First, don’t build walls or obstacles around your Eternia Crystal Stand. If enemies have no clear path to the crystal, the event will fail immediately, no matter how many waves you’ve already cleared. I made this mistake once when I tried to block off the crystal to reduce damage, and I lost 7 waves of progress in 2 seconds.
Second, don’t forget to re-equip sentry-focused accessories before you start the event. Even if you main a melee or magic build, equipping items that boost sentry damage will make your summons kill enemies much faster, cutting down your run time significantly. Third, don’t leave the event area during a run. If you wander too far from the Eternia Crystal, the event will despawn all enemies and end early, and you won’t get any medals for the waves you already completed.
I’d also recommend not starting a run right before a blood moon or other random event triggers, as extra spawning enemies can distract you from protecting the crystal, leading to an early failure. If you do get a random event trigger mid-run, prioritize killing Old One’s Army enemies first, they deal far more damage to the crystal than regular world enemies do.
At the end of the day, learning how to get defender medals terraria doesn’t have to be a grind if you follow the right steps and avoid common mistakes. Even if you only have a couple hours a week to play, focusing on high-tier, high-difficulty runs will get you all the medals you need to unlock every Tavernkeep item in no time. I’ve unlocked the full catalog twice across different playthroughs, and these tips cut my total farming time in half compared to my first messy runs. Try out a few different arena setups and build combinations to find what works best for your playstyle, and you’ll be rolling in extra Defender Medals before you know it.