☀️ How Summer Fest Generators Work

Summer Fest brings five separate generators online on a staggered schedule, each activating a day apart between July 6 and July 10, 2026, all at 02:00 UTC. The event itself closes for every generator at the same moment: July 13, 2026, 02:00 UTC.

That staggered start means each generator gets a different amount of active time before the event ends — Runes gets the full 7 days since it activates first, while Absolute Artifacts only gets 3 days since it’s the last to come online. This directly affects how much total production each generator can realistically reach, which is why timing your upgrades matters as much as the levels themselves.

📅 Generator Activation Schedule

Generator	Activates (UTC)	Active Days	Cycle Length	Total Cycles	Max Total (Lv. V)
Runes	Jul 6, 02:00	7 days	3 hours	56	1,432
Skin Stones	Jul 7, 02:00	6 days	6 hours	24	634
Energy Bottle	Jul 8, 02:00	5 days	12 hours	10	460
Honey Energy	Jul 9, 02:00	4 days	8 hours	12	81,750
Absolute Artifacts	Jul 10, 02:00	3 days	3 hours	24	1,005

🪙 Currencies You’ll Need

Summer Fest generators are upgraded using three different currencies, split by generator and level.

Honey Energy

Covers Levels I–II on Runes, Skin Stones, Energy Bottle, and Absolute Artifacts.

Summer Festival Coins

Covers Levels III–V on those same four generators.

💎

Emeralds

The only currency for the Honey Energy generator, all five levels.

⚙️ Generator-by-Generator Breakdown

Runes

3-hour cycle · 56 total cycles · Active from July 6

Level	Per Cycle	Upgrade Cost	Max Total
I	2	5,000 Honey Energy	112
II	5	10,000 Honey Energy	282
III	10	3 Summer Festival Coins	567
IV	15	4 Summer Festival Coins	857
V	25	5 Summer Festival Coins	1,432

Cumulative Production by Day (if upgraded on Day 1)

Day	Lv. I	Lv. II	Lv. III	Lv. IV	Lv. V
Day 1	16	42	87	137	232
Day 2	32	82	167	257	432
Day 3	48	122	247	377	632
Day 4	64	162	327	497	832
Day 5	80	202	407	617	1,032
Day 6	96	242	487	737	1,232
Day 7	112	282	567	857	1,432

Skin Stones

6-hour cycle · 24 total cycles · Active from July 7

Level	Per Cycle	Upgrade Cost	Max Total
I	3	5,000 Honey Energy	72
II	6	10,000 Honey Energy	147
III	10	3 Summer Festival Coins	249
IV	15	4 Summer Festival Coins	379
V	25	5 Summer Festival Coins	634

Cumulative Production by Day (if upgraded on Day 1)

Day	Lv. I	Lv. II	Lv. III	Lv. IV	Lv. V
Day 1	12	27	49	79	134
Day 2	24	51	89	139	234
Day 3	36	75	129	199	334
Day 4	48	99	169	259	434
Day 5	60	123	209	319	534
Day 6	72	147	249	379	634

Energy Bottle

12-hour cycle · 10 total cycles · Active from July 8

Level	Per Cycle	Upgrade Cost	Max Total
I	5	5,000 Honey Energy	50
II	10	10,000 Honey Energy	105
III	15	3 Summer Festival Coins	165
IV	30	4 Summer Festival Coins	330
V	40	5 Summer Festival Coins	460

Cumulative Production by Day (if upgraded on Day 1)

Day	Lv. I	Lv. II	Lv. III	Lv. IV	Lv. V
Day 1	10	25	45	90	140
Day 2	20	45	75	150	220
Day 3	30	65	105	210	300
Day 4	40	85	135	270	380
Day 5	50	105	165	330	460

Honey Energy

8-hour cycle · 12 total cycles · Active from July 9 · Emerald-only upgrades

Level	Per Cycle	Upgrade Cost	Max Total
I	750	5,000 💎	9,000
II	1,500	5,000 💎	18,750
III	3,000	10,000 💎	38,250
IV	4,500	10,000 💎	59,250
V	6,000	10,000 💎	81,750

Cumulative Production by Day (if upgraded on Day 1)

Day	Lv. I	Lv. II	Lv. III	Lv. IV	Lv. V
Day 1	2,250	5,250	11,250	18,750	27,750
Day 2	4,500	9,750	20,250	32,250	45,750
Day 3	6,750	14,250	29,250	45,750	63,750
Day 4	9,000	18,750	38,250	59,250	81,750

Absolute Artifacts

3-hour cycle · 24 total cycles · Active from July 10

Level	Per Cycle	Upgrade Cost	Max Total
I	3	5,000 Honey Energy	72
II	6	10,000 Honey Energy	147
III	12	3 Summer Festival Coins	297
IV	24	4 Summer Festival Coins	597
V	40	5 Summer Festival Coins	1,005

Cumulative Production by Day (if upgraded on Day 1)

Day	Lv. I	Lv. II	Lv. III	Lv. IV	Lv. V
Day 1	24	51	105	213	365
Day 2	48	99	201	405	685
Day 3	72	147	297	597	1,005

📊 Planning Your Upgrades

Because each generator activates on a different day but the event closes for all of them at once, the number of cycles each one can complete is fixed the moment it goes live — Runes tops out at 56 cycles no matter when you upgrade it, but if you wait to upgrade, you simply lose the cycles that already passed at a lower level.

Use the tables above to compare cost against total production headroom for each generator before spending your Honey Energy, Summer Festival Coins, or Emeralds. If you want to run the numbers for your own account and track exactly how much you’ll need, our interactive Summer Fest Generator Calculator lets you set levels for each generator and see live totals update in real time.