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Ruby Farming guide for Seven Knights Re:birth (7K Rebirth) covering the best farming locations, Key Box/Ruby balance by area, and how many Key Boxes to buy for max efficiency.
Table of Contents
| Related Ruby Farming Articles | |
|---|---|
| How to Ruby Farm | Ruby Farming Efficiency Guide |
| Raid Farming | Power Up Dungeon Farming |
How Many Key Boxes Should You Buy?
Buying Up to the 80-Ruby Key Box Is Recommended
In the Ruby Exchange Shop, it's recommended to buy Key Boxes up to the 80-Ruby one. Since the shop lineup resets daily, buy a little each day to prepare for that day's Ruby Farming.
Subscribing to a Membership Service Boosts Efficiency
Ruby Farming efficiency increases significantly if you subscribe to a membership service (Elena's Blessing / Daily Ruby Support / Daily Enhancement Support). If you want to farm Rubies more efficiently, consider subscribing.
Check How Many Runs It Takes to Earn 12,500 EXP
The EXP needed to raise a hero from Lv.1 to Lv.30 is 12,500. Since you earn 20 Rubies upon reaching Lv.30, farming with a 4-slot Leveling team means earning 80 Rubies per 12,500 EXP gained.
In other words, if you adjust things so the Rubies gained from leveling exceed the cost of buying one Key Box (60 Keys), you can keep increasing your Ruby count.
Key Box/Ruby Balance by Area Quick Reference
| ① | ▼When Buying the 50-Ruby Key Box |
|---|---|
| ② | ▼When Buying the 50+80-Ruby Key Boxes |
| ③ | ▼When Buying the 50+80+100-Ruby Key Boxes |
When Buying the 50-Ruby Key Box
| Total Keys Earned | 1,200 |
|---|---|
| Cost Required | 1,000 Rubies |
| Area | EXP Earned | Runs Needed for Max Lv | Rubies Earned | Ruby Balance |
|---|---|---|---|---|
| Event A-5 | 1,150 | 11 Runs | 1,440 | +440 |
| Event A-6 | 1,250 | 10 Runs | 1,600 | +600 |
| Adventure 7-1 | 1,034 | 13 Runs | 1,200 | +200 |
| Adventure 14-1 | 1,265 | 10 Runs | 1,600 | +600 |
| Adventure 16-1~ | 1,298 | 10 Runs | 1,600 | +600 |
| Nightmare | 1,298 | 10 Runs | 1,600 | +600 |
| Area | EXP Earned | Runs Needed for Max Lv | Rubies Earned | Ruby Balance |
|---|---|---|---|---|
| Event A-5 | 1,150 | 11 Runs | 1,440 | +440 |
| Event A-6 | 1,250 | 10 Runs | 1,600 | +600 |
| Adventure 7-1 | 940 | 14 Runs | 1,120 | +120 |
| Adventure 14-1 | 1,150 | 11 Runs | 1,440 | +440 |
| Adventure 16-1~ | 1,180 | 11 Runs | 1,440 | +440 |
| Nightmare | 1,298 | 10 Runs | 1,440 | +440 |
Buy out all the 50-Ruby Key Boxes every day. Since Ruby Farming leaves you with a net gain in Rubies, you'll almost never come out at a loss.
Combined with Natural Recovery, You Can Farm Even More
Combining natural recovery with Keys obtained from rewards and exchanges lets you get even more Keys and farm Rubies further. Since Rubies will come out ahead unless your win rate is really bad, don't forget to buy the 50-Ruby Key Box.
 Tips! | Keys recover 1 every 3 minutes. While subscribed to Daily Enhancement Support, they recover 1 every 2 minutes instead, so you can farm Rubies even more efficiently. |
|---|
When Buying the 50+80-Ruby Key Boxes
| Total Keys Earned | 4,200(1,200+3,000) |
|---|---|
| Cost Required | 5,000 Rubies(1,000+4,000) |
| Area | EXP Earned | Runs Needed for Max Lv | Rubies Earned | Ruby Balance |
|---|---|---|---|---|
| Event A-5 | 1,150 | 11 Runs | 5,040 | +40 |
| Event A-6 | 1,250 | 10 Runs | 5,600 | +600 |
| Adventure 7-1 | 1,034 | 13 Runs | 4,240 | -760 |
| Adventure 14-1 | 1,265 | 10 Runs | 5,600 | +600 |
| Adventure 16-1~ | 1,298 | 10 Runs | 5,600 | +600 |
| Nightmare | 1,298 | 10 Runs | 5,600 | +600 |
| Area | EXP Earned | Runs Needed for Max Lv | Rubies Earned | Ruby Balance |
|---|---|---|---|---|
| Event A-5 | 1,150 | 11 Runs | 5,040 | +40 |
| Event A-6 | 1,250 | 10 Runs | 5,600 | +600 |
| Adventure 7-1 | 940 | 14 Runs | 4,000 | -1000 |
| Adventure 14-1 | 1,150 | 11 Runs | 5,040 | +40 |
| Adventure 16-1~ | 1,180 | 11 Runs | 5,040 | +40 |
| Nightmare | 1,180 | 11 Runs | 5,040 | +40 |
It's recommended to buy out all Key Boxes up to the 80-Ruby one. Once you start Ruby Farming in earnest, you'll earn plenty of other rewards besides Rubies, such as Gold and heroes, so make it a daily routine to buy up to this point and farm.
| Tips! | Even in cases like F2P farming of Adventure 7-1, where your Ruby balance can go negative, it's still recommended to buy, since the side rewards like heroes more than make up for it. |
|---|
When Buying the 50+80+100-Ruby Key Boxes
| Total Keys Earned | 7,200(1,200+3,000+3,000) |
|---|---|
| Cost Required | 10,000 Rubies(1,000+4,000+5,000) |
| Area | EXP Earned | Runs Needed for Max Lv | Rubies Earned | Ruby Balance |
|---|---|---|---|---|
| Event A-5 | 1,150 | 11 Runs | 8,720 | -1,280 |
| Event A-6 | 1,250 | 10 Runs | 9,600 | -400 |
| Adventure 7-1 | 1,034 | 13 Runs | 7,360 | -2,640 |
| Adventure 14-1 | 1,265 | 10 Runs | 9,600 | -400 |
| Adventure 16-1~ | 1,298 | 10 Runs | 9,600 | -400 |
| Nightmare | 1,298 | 10 Runs | 9,600 | -400 |
| Area | EXP Earned | Runs Needed for Max Lv | Rubies Earned | Ruby Balance |
|---|---|---|---|---|
| Event A-5 | 1,150 | 11 Runs | 8,720 | -1,280 |
| Event A-6 | 1,250 | 10 Runs | 9,600 | -400 |
| Adventure 7-1 | 940 | 14 Runs | 6,800 | -3,200 |
| Adventure 14-1 | 1,150 | 11 Runs | 8,720 | -1,280 |
| Adventure 16-1~ | 1,180 | 11 Runs | 8,720 | -1,280 |
| Nightmare | 1,180 | 11 Runs | 8,720 | -1,280 |
Buying the 100-Ruby Key Box puts you into a net loss. That said, with Ruby Support the loss is only around -400, and it leads to obtaining accessories and event progress, so buying it is definitely a solid option.
Boxes of 120 Rubies or More Aren't Really Recommended
Once you buy out all the 100-Ruby Key Boxes, 120-Ruby Key Boxes appear in the shop. However, beyond this point even with Daily Ruby Support, the net loss becomes large, so it's not recommended.
Best Early-Game Ruby Farming Locations
Best Farming Locations and Rewards for Ruby Farming
| Area | EXP Gold | Features |
|---|---|---|
| 19-1 | EXP: 1,180 Gold: 5,100 | - Gold Boxes can drop |
| 14-1 | EXP: 1,150 Gold: 5,100 | - Fewer runs needed to hit max Lv |
| 7-1 | EXP: 940 Gold: 1,900 | - 4-star and Legendary heroes can drop |
| Event | EXP: 1,250 Gold: 4,300 | - Event currency can drop - High EXP efficiency |
Start with Event Farming First
| Challenge Stage A-05/A-06 | |
|---|---|
| EXP Earned | 1,150 / 1,250 |
| Gold Earned | 3,500 / 4,300 |
| Event Currency | 90 / 100 |
After starting the game, if you're going to Ruby Farm, aim to farm Event mode first. Its EXP efficiency is good and its difficulty is manageable from early on, so you can start collecting Rubies from the very beginning.
Stage A-06 Becomes Easy to Beat Soon
If you can't beat A6, enhancing your attacker to 6-star +5 and crafting Raid equipment will let you win easily. Until then, farm A5 while progressing through Adventure up to 7-1, the Power Up Dungeon, and Raids to strengthen your roster.
The Event Unlocks After Clearing Adventure 4-20
Story Events unlock after clearing Adventure 4-20. You can't access them right after the tutorial, so first progress through Adventure to get used to the game.
Adventure 7-1 Is Also an Option If You Want Heroes
| Adventure 7-1 | |
|---|---|
| EXP Earned | 940 |
| Gold Earned | 1,900 |
| Main Rewards | - 1~4-star heroes - 4-star Equipment - Legendary heroes |
If you want heroes early on, Ruby Farm Adventure 7-1. This is the area where 4-star and Legendary heroes start dropping, so it's recommended to push through Adventure up to this point in one go.
Note That EXP Efficiency Isn't Great
EXP efficiency isn't great here, but if you keep Ruby Farming you'll eventually run out of heroes to swap in and out. Use this when you want to progress Event missions or secure heroes for leveling.
14-1 or Later Is Recommended for Serious Farming
| Adventure 14-1 | |
|---|---|
| EXP Earned | 1,150 |
| Gold Earned | 5,100 |
| Main Rewards | - 1-4 star heroes - 4-star Equipment - Legendary heroes |
From 14-1 onward, the runs needed to hit max Lv drops to 11 (10 with Support), so it's recommended to do serious farming from 14-1 onward. From 15-1, status ailments and immunities become troublesome, so 14-1 is relatively better suited for farming.
If You Prioritize Gold Efficiency, Try 19-1 or 23-1 and Beyond
| Adventure 16-1~ | |
|---|---|
| EXP Earned | 1,180 |
| Gold Earned | 5,100 |
| Main Rewards | - 1-4 star heroes - 4-star Equipment - Legendary heroes - Gold Boxes |
From 16-1 onward, Gold Boxes that give Gold start dropping. If you also want to factor in Gold efficiency, 19-1 or 23-26-1, which lack status ailments or immunities that stop your team and are relatively easy to farm, are recommended.
Best Ruby Farming Locations After Unlocking Nightmare
Best Farming Locations and Rewards in Nightmare
| Area | EXP/Gold | Features |
|---|---|---|
| 29-1 | EXP: 1,180 Gold: 23,500 | - The current final map - The most generous rewards - Relatively easy to stabilize |
| 27-1 | EXP: 1,180 Gold: 22,900 | - Dedicated Equipment can drop |
| 23-1 | EXP: 1,180 Gold: 21,700 | - 6-star Universal Equipment can drop |
| 22-1 | EXP: 1,180 Gold: 21,400 | - Pet Eggs can drop |
| 19-1 | EXP: 1,180 Gold: 20,500 | - 5-star Universal Equipment can drop |
| 15-1 | EXP: 1,180 Gold: 19,300 | - 3-4 star Universal Equipment can drop |
| 11-1 | EXP: 1,180 Gold: 17,000 | - 6-star Rings can drop |
| 6-1 | EXP: 1,180 Gold: 14,000 | - 5-star Rings can drop |
| 1-1 | EXP: 1,180 Gold: 11,000 | - 4-star Rings can drop |
| Event A6 | EXP: 1,180 Gold: 21,400 | - Event currency can drop - 6-star Rings and Pet Eggs can also drop - Often relatively easy to farm |
In Nightmare Farming, there are several milestone stages, such as 6-1 where 5-star Rings start dropping, and 11-1 where 6-star Rings start dropping. Among the furthest areas you've reached, farm whichever stage gives you a stable win rate.
| Tips! | Stages with enemies that have Damage Immunity or status ailments, like 16-1, aren't well suited. Your win rate doesn't have to be 100%, but aim for around 90%. |
|---|
Ideally, Move to Nightmare as Soon as It Unlocks
Whether you have Ring drops or not makes a big difference, so once it unlocks, you should generally aim to Ruby Farm in Nightmare. If you own 2 heroes ranked S or higher on the Tier list, clearing Nightmare 1-1 farming is relatively achievable.
If You Can't Win, Adventure 16-1 and Beyond Are Also Options
| Adventure 16-1 | |
|---|---|
| EXP Earned | 1,180 |
| Gold Earned | 4,300 |
| Main Rewards | - 2-4 star heroes - 4-star Equipment - Legendary heroes - Gold Boxes |
If you can't Ruby Farm Nightmare 1-1 after unlocking Nightmare, Adventure 16-1 and beyond are an option. You can obtain Gold Boxes, and since Gold-farming efficiency is high, use it as a bridge until you're ready for Nightmare.
Adventure 16 and Beyond Requires Countering ◯◯ Immunity Holders
| Area | Troublesome Enemy Buff |
|---|---|
| 16-1 | Physical Attack Reduction |
| 17-1 | Magical Attack Reduction |
| 18-1 | Physical Attack Reduction |
Ruby Farming on Adventure 16-1 and beyond, enemies with Physical/Magical Attack Reduction are troublesome. Depending on your team comp, you may not be able to clear stages quickly, so always adjust your team's heroes and equipment before starting a farming session.
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