Lost Sword Cow Queen Guide
The Cow Queen Dungeon in Lost Sword unlocks after you clear Chapter 5-10 and speak to the Mysterious Guest in the lobby. This unlocks access to Karen the Cow Girl in Town, who leads you to the Cow Queen raid stage. It's a weekly dungeon with guaranteed clear loot and a unique boss mechanic.
How to Unlock the Cow Queen Dungeon
Clear Chapter 5-10 in Adventure mode.
Afterward, return to the main lobby.
Speak to the Mysterious Guest near the corner.
This unlocks Karen the Cow Girl in Town.
Talk to her to access the Cow Queen Dungeon.
Entry Limits and Items
You get 3 free entries per week.
Extra attempts require a New Year’s Bell.
New Year’s Bells are available from events or the exchange shop.
Cow Queen Stage Format
The Cow Queen fight takes place on a Stonehenge-style stage.
Each clear gives guaranteed rewards.
There is no randomness in drop chance once the boss is defeated.
You must meet the mechanical check or risk party-wide consequences.
Boss Mechanic
The Cow Queen activates a damage immunity shield.
If you do not hit her 40 times during this phase, your team will be stunned for 7 seconds.
This is the core mechanic of the fight.
Her listed elemental weakness is Frost.
Team Building Tips
Use multi-hit characters to break the 40-hit threshold quickly.
Stack units with fast attack speeds or skills with multiple hits.
Characters with Frost-based attacks have a damage advantage.
Bring a healer to recover after stuns if the mechanic fails.
Final Blurb
The Cow Queen Dungeon is an essential weekly raid in Lost Sword. Clearing it provides steady relic and gear resources. Use fast, multi-hit teams and take advantage of her Frost weakness to meet the immunity break requirement and avoid the stun penalty.
FAQ
How do I unlock the Cow Queen Dungeon?
Clear Chapter 5-10, then speak to the Mysterious Guest in the lobby to unlock Karen in Town.
How many Cow Queen runs do I get weekly?
Three free entries. Extra attempts require a New Year’s Bell.
Where do I get more New Year’s Bells?
They are obtained from event rewards and the exchange shop.
What is the Cow Queen's weakness?
Frost.
What happens if I don’t hit her 40 times during her shield phase?
Your entire team gets stunned for 7 seconds.

