For Sailor Piece players in the late game who want extra damage statistics or luck, Boss Rush is a perfect way to obtain these. This system continues to exist as a test of endurance against the strongest bosses. However, if players reach the top, the rewards can enhance damage, critical damage, critical chance, luck, and HP to a higher level. Learn about Sailor Piece Boss Rush in this guide.
What is Sailor Piece Boss Rush?
Boss Rush is a 15 wave dungeon run with a 5-minute timer in Sailor Piece. In this mode, you will fight bosses consecutively in four different difficulty modes of your choice. Regular coins and gems are awarded for each boss cleared in Sailor Piece.
If you are with other players, it is necessary to contribute 10% of the total Boss Rush HP damage to earn the final rewards. Additionally, the boss's HP increases by 55% for each additional player. You are rewarded with Rush Coins based on the time taken to clear the waves and the difficulty level. Here’s how the time tiers work for earning the final rewards in Boss Rush:
- SSS: Clear in 30 seconds or less
- SS: Clear in 60 seconds or less
- S: Clear in 120 seconds or less
- A: Clear in 180 seconds or less
- B: Clear in 240 seconds or less
- C: Clear in 300 seconds or less
To start a Boss Rush run, you will need Rush Keys in Sailor Piece. These are legendary items that you can earn in many ways in Sailor Piece.
How to Quickly Obtain Rush Keys in Sailor Piece?
There are three ways to obtain Rush Keys:
- Purchase from the Merchant on Sailor Island (175 Gems)
- Obtain from chests/quests/Sailor Piece codes
- Scan NPCs. Use AOE damage swords or melee styles in Sailor Piece to quickly obtain keys from NPCs
How to Start Boss Rush in Sailor Piece?
After obtaining Rush Keys, teleport to Sailor Island. From there, look for the Boss Rush NPC on the right side. Interact and click the Spawn button.
Once the dungeon loads, you can select the difficulty. After wave 15, a payment and replay option will appear. You can do this to continue playing Boss Rush. Check the automatic play option to AFK farm Boss Rush.
Boss Rush Difficulties and Drop Rates
Now that you know how to play Boss Rush, here is a detailed breakdown of each difficulty level's boss HP and Rush Coin (min-max) drop rates:
| Difficulty | Boss HP | Rush Coin | Difficulty Modifiers |
|---|---|---|---|
| Normal | W1: 90M W2: 112M W3: 135M W4: 180M W5: 225M W6: 270M W7: 315M W8: 360M W9: 450M W10: 585M W11: 720M W12: 900M W13: 1.08B W14: 1.35B W15: 1.8B | SSS: 2-6 SS: 2-5 S: 2-4 A: 2-4 B: 2-3 C: 1-3 | Damage Reduction -35% |
| Medium | W1: 270M W2: 338M W3: 405M W4: 540M W5: 675M W6: 810M W7: 945M W8: 1.08B W9: 1.35B W10: 1.75B W11: 2.16B W12: 2.7B W13: 3.24B W14: 4.05B W15: 5.4B | SSS: 3-8 SS: 3-7 S: 3-6 A: 2-5 B: 2-4 C: 2-4 | Damage Reduction -70% Life Steal -50% |
| Hard | W1: 675M W2: 844M W3: 1.01B W4: 1.35B W5: 1.69B W6: 2.02B W7: 2.36B W8: 2.7B W9: 3.38B W10: 4.39B W11: 5.4B W12: 6.75B W13: 8.1B W14: 10.12B W15: 13.5B | SSS: 5-10 SS: 4-8 S: 3-8 A: 3-7 B: 3-6 C: 3-5 | Damage Reduction Disabled Life Steal Disabled iFrames Disabled |
| Extreme | W1: 1.8B W2: 2.25B W3: 2.7B W4: 3.6B W5: 4.5B W6: 5.4B W7: 6.3B W8: 7.2B W9: 9B W10: 11.7B W11: 14.4B W12: 18B W13: 21.6B W14: 27B W15: 36B | SSS: 8-14 SS: 7-12 S: 6-11 A: 5-9 B: 4-8 C: 4-7 | Damage Reduction Disabled Life Steal Disabled iFrames 2.5s |
In addition to Rush Coins, you can also obtain the Pride Sword made inspired by Escanor from Sailor Piece from Boss Rush. Now, let’s get to the main question…
What Can You Get with Rush Coins in Sailor Piece?
Rush Coins are used for two important things in Sailor Piece: Rush Shop purchases or Boss Rush upgrades. Here’s the complete breakdown:
Boss Rush Shop
The Boss Rush shop is not the best place to spend your coins. However, if you have already upgraded your Boss Rush statistics, you may prefer the Aura Box to obtain Auras in Sailor Piece.
| Item | Rush Coin |
|---|---|
| Sun Armor | 250 |
| Feature Refresh | 2 |
| Clan Refresh | 5 |
| Race Refresh | 2 |
| Boss Key | 1 |
| Dungeon Key | 2 |
| Common Chest | 1 |
| Rare Chest | 3 |
| Epic Chest | 6 |
| Legendary Chest | 15 |
| Mythical Chest | 40 |
| Secret Chest | 400 |
| Aura Box | 1.2K |
Boss Upgrades
To complete all Boss Rush upgrades, a total of 6,625 Rush Coins is required. Here’s the full upgrade breakdown:
| Statistic | L1 | L2 | L3 | L4 | L5 | Total Cost | Max Statistic Value |
|---|---|---|---|---|---|---|---|
| Damage | 100 | 150 | 250 | 350 | 500 | 1350 | 25 (+5%/level) |
| Critical Damage | 100 | 150 | 250 | 350 | 500 | 1350 | 15 (+3%/level) |
| Critical Chance | 100 | 150 | 250 | 350 | 500 | 1350 | 5 (+1%/level) |
| HP | 75 | 100 | 150 | 200 | 300 | 850 | 37.5 (+7.5%/level) |
| Luck | 125 | 200 | 300 | 450 | 650 | 1725 | 15 (+3%/level) |
AFK Farming Tips and Tricks for Boss Rush
To increase your Rush Coin farming efficiency, team up with two players with similar gear to AFK farm in Normal mode. This difficulty hits the sweet spot for fast clears while offering nearly the same payouts as Medium.
That said, here are some quick tips you can use to quickly farm Boss Rush coins in Sailor Piece:
- Optimal AFK Melee Configurations: Equip the King of Heroes (spam V) for the best results and avoid using swords due to the lack of reliable AFK potential. If you still want to go for a higher difficulty, the Ice Queen (spam V) is a solid choice.
- Avoid Extreme Mode: Going to the highest difficulty is not worth the time investment. The difficulty slows down your runs even if you use the best damage configurations.
- Use the Ancient Age Rune: We recommend farming the Infinite Tower to obtain the Ancient Age Rune. This rune significantly increases damage in Sailor Piece.
How Long Does It Take to Complete Boss Rush Upgrades?
As mentioned earlier, completing all Boss Rush upgrades requires a total of 6,625 Rush Coins. By using the current optimal AFK strategy in Medium mode, you can consistently achieve S or SS completion ranks in under a minute and earn an average of 5 coins per run.
At a cleaning pace of 60 or more per hour, you will need approximately 1,315 to 1,325 total runs to reach your goal. As a result, this translates to about 21 to 22 hours of continuous farming time to meet each upgrade.
So, have you completed your Sailor Piece Boss Rush upgrades? If you have, don’t forget to use statistic re-cycles to further enhance your statistics in Sailor Piece.
How can I obtain Rush Keys in Sailor Piece?Purchase Rush Keys from the Sailor Island Merchant for 175 Gems or find them in chests, quests, and codes. Alternatively, quickly farm by defeating NPCs with large AOE attacks.
What is the best configuration to AFK farm Boss Rush?Equip the King of Heroes melee style for the easiest AFK wave clears and spam the 'V' ability.
How can I earn Rush Coins in Sailor Piece?You need to successfully complete the Boss Rush dungeon to earn Rush Coins in Sailor Piece. You will be rewarded with Rush Coins at the end of a successful 15 wave run.
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