Where to farm Blue B. Stones

47 stages drop Blue B. Stones, ranked by energy per item.

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Limited clears per run(47)

These maps allow a set number of clears each time they run.

#	Stage	Cost	Drops			Difficulty
1	Sandstorm Area 171 clear per runAshvini Desert	250 energy	2.5%, ×2 29%	0.61	413	★11
2	Sandstorm Area 181 clear per runAshvini Desert	250 energy	2.5%, ×2 29%	0.61	413	★11
3	Sandstorm Area 191 clear per runAshvini Desert	250 energy	2.5%, ×2 29%	0.61	413	★11
4	Burning Sands Area 51 clear per runAshvini Desert	200 energy	35%	0.35	571	★9
5	Burning Sands Area 61 clear per runAshvini Desert	200 energy	35%	0.35	571	★9
6	Burning Sands Area 71 clear per runAshvini Desert	200 energy	35%	0.35	571	★9
7	Burning Sands Area 81 clear per runAshvini Desert	200 energy	35%	0.35	571	★9
8	Burning Sands Area 91 clear per runAshvini Desert	200 energy	35%	0.35	571	★9
9	Burning Sands Area 101 clear per runAshvini Desert	200 energy	35%	0.35	571	★9
10	Scorching Sands Area 111 clear per runAshvini Desert	250 energy	24%, ×2 7.5%	0.39	649	★10
11	Scorching Sands Area 121 clear per runAshvini Desert	250 energy	24%, ×2 7.5%	0.39	649	★10
12	Scorching Sands Area 131 clear per runAshvini Desert	250 energy	24%, ×2 7.5%	0.39	649	★10
13	Scorching Sands Area 141 clear per runAshvini Desert	250 energy	24%, ×2 7.5%	0.39	649	★10
14	Scorching Sands Area 151 clear per runAshvini Desert	250 energy	24%, ×2 7.5%	0.39	649	★10
15	Scorching Sands Area 161 clear per runAshvini Desert	250 energy	24%, ×2 7.5%	0.39	649	★10
16	Badlands Area 41 clear per runAshvini Desert	150 energy	17%	0.17	909	★8
17	Badlands Area 31 clear per runAshvini Desert	150 energy	14%	0.14	1,071	★8
18	Lava Caves Area 51 clear per runJinfore Volcano	250 energy	19%	0.19	1,316	★10
19	Lava Caves Area 61 clear per runJinfore Volcano	250 energy	19%	0.19	1,316	★10
20	Lava Caves Area 71 clear per runJinfore Volcano	250 energy	19%	0.19	1,316	★10
21	Lava Caves Area 81 clear per runJinfore Volcano	250 energy	19%	0.19	1,316	★10
22	Lava Caves Area 91 clear per runJinfore Volcano	250 energy	19%	0.19	1,316	★10
23	Lava Caves Area 101 clear per runJinfore Volcano	250 energy	19%	0.19	1,316	★10
24	Infernal Crater Area 111 clear per runJinfore Volcano	250 energy	19%	0.19	1,337	★11
25	Infernal Crater Area 121 clear per runJinfore Volcano	250 energy	19%	0.19	1,337	★11
26	Infernal Crater Area 131 clear per runJinfore Volcano	250 energy	19%	0.19	1,337	★11
27	Infernal Crater Area 141 clear per runJinfore Volcano	250 energy	19%	0.19	1,337	★11
28	Infernal Crater Area 151 clear per runJinfore Volcano	250 energy	19%	0.19	1,337	★11
29	Infernal Crater Area 161 clear per runJinfore Volcano	250 energy	19%	0.19	1,337	★11
30	Badlands Area 21 clear per runAshvini Desert	150 energy	11%	0.11	1,429	★7
31	Erupting Cavern Area 171 clear per runJinfore Volcano	250 energy	16%	0.16	1,534	★11
32	Erupting Cavern Area 181 clear per runJinfore Volcano	250 energy	16%	0.16	1,534	★11
33	Erupting Cavern Area 191 clear per runJinfore Volcano	250 energy	16%	0.16	1,534	★11
34	Magma Tunnel Area 41 clear per runJinfore Volcano	200 energy	9.5%	0.1	2,105	★9
35	Badlands Area 11 clear per runAshvini Desert	150 energy	7%	0.07	2,143	★6
36	Magma Tunnel Area 31 clear per runJinfore Volcano	200 energy	8%	0.08	2,500	★9
37	Magma Tunnel Area 21 clear per runJinfore Volcano	200 energy	6%	0.06	3,333	★8
38	Downpour Jungle Area 111 clear per runHidden Forest of Gapra	200 energy	5%	0.05	4,000	★9
39	Downpour Jungle Area 121 clear per runHidden Forest of Gapra	200 energy	5%	0.05	4,000	★9
40	Downpour Jungle Area 131 clear per runHidden Forest of Gapra	200 energy	5%	0.05	4,000	★9
41	Downpour Jungle Area 141 clear per runHidden Forest of Gapra	200 energy	5%	0.05	4,000	★9
42	Downpour Jungle Area 151 clear per runHidden Forest of Gapra	200 energy	5%	0.05	4,000	★9
43	Downpour Jungle Area 161 clear per runHidden Forest of Gapra	200 energy	5%	0.05	4,000	★9
44	Primeval Wood Area 171 clear per runHidden Forest of Gapra	250 energy	5%	0.05	5,000	★10
45	Primeval Wood Area 181 clear per runHidden Forest of Gapra	250 energy	5%	0.05	5,000	★10
46	Primeval Wood Area 191 clear per runHidden Forest of Gapra	250 energy	5%	0.05	5,000	★10
47	Magma Tunnel Area 11 clear per runJinfore Volcano	200 energy	4%	0.04	5,000	★8

Sandstorm Area 171 clear per runAshvini Desert
★11
250 energy
Drops: 2.5%, ×2 29%Avg per clear: 0.61Energy each: 413
Sandstorm Area 181 clear per runAshvini Desert
★11
250 energy
Drops: 2.5%, ×2 29%Avg per clear: 0.61Energy each: 413
Sandstorm Area 191 clear per runAshvini Desert
★11
250 energy
Drops: 2.5%, ×2 29%Avg per clear: 0.61Energy each: 413
Burning Sands Area 51 clear per runAshvini Desert
★9
200 energy
Drops: 35%Avg per clear: 0.35Energy each: 571
Burning Sands Area 61 clear per runAshvini Desert
★9
200 energy
Drops: 35%Avg per clear: 0.35Energy each: 571
Burning Sands Area 71 clear per runAshvini Desert
★9
200 energy
Drops: 35%Avg per clear: 0.35Energy each: 571
Burning Sands Area 81 clear per runAshvini Desert
★9
200 energy
Drops: 35%Avg per clear: 0.35Energy each: 571
Burning Sands Area 91 clear per runAshvini Desert
★9
200 energy
Drops: 35%Avg per clear: 0.35Energy each: 571
Burning Sands Area 101 clear per runAshvini Desert
★9
200 energy
Drops: 35%Avg per clear: 0.35Energy each: 571
Scorching Sands Area 111 clear per runAshvini Desert
★10
250 energy
Drops: 24%, ×2 7.5%Avg per clear: 0.39Energy each: 649
Scorching Sands Area 121 clear per runAshvini Desert
★10
250 energy
Drops: 24%, ×2 7.5%Avg per clear: 0.39Energy each: 649
Scorching Sands Area 131 clear per runAshvini Desert
★10
250 energy
Drops: 24%, ×2 7.5%Avg per clear: 0.39Energy each: 649
Scorching Sands Area 141 clear per runAshvini Desert
★10
250 energy
Drops: 24%, ×2 7.5%Avg per clear: 0.39Energy each: 649
Scorching Sands Area 151 clear per runAshvini Desert
★10
250 energy
Drops: 24%, ×2 7.5%Avg per clear: 0.39Energy each: 649
Scorching Sands Area 161 clear per runAshvini Desert
★10
250 energy
Drops: 24%, ×2 7.5%Avg per clear: 0.39Energy each: 649
Badlands Area 41 clear per runAshvini Desert
★8
150 energy
Drops: 17%Avg per clear: 0.17Energy each: 909
Badlands Area 31 clear per runAshvini Desert
★8
150 energy
Drops: 14%Avg per clear: 0.14Energy each: 1,071
Lava Caves Area 51 clear per runJinfore Volcano
★10
250 energy
Drops: 19%Avg per clear: 0.19Energy each: 1,316
Lava Caves Area 61 clear per runJinfore Volcano
★10
250 energy
Drops: 19%Avg per clear: 0.19Energy each: 1,316
Lava Caves Area 71 clear per runJinfore Volcano
★10
250 energy
Drops: 19%Avg per clear: 0.19Energy each: 1,316
Lava Caves Area 81 clear per runJinfore Volcano
★10
250 energy
Drops: 19%Avg per clear: 0.19Energy each: 1,316
Lava Caves Area 91 clear per runJinfore Volcano
★10
250 energy
Drops: 19%Avg per clear: 0.19Energy each: 1,316
Lava Caves Area 101 clear per runJinfore Volcano
★10
250 energy
Drops: 19%Avg per clear: 0.19Energy each: 1,316
Infernal Crater Area 111 clear per runJinfore Volcano
★11
250 energy
Drops: 19%Avg per clear: 0.19Energy each: 1,337
Infernal Crater Area 121 clear per runJinfore Volcano
★11
250 energy
Drops: 19%Avg per clear: 0.19Energy each: 1,337
Infernal Crater Area 131 clear per runJinfore Volcano
★11
250 energy
Drops: 19%Avg per clear: 0.19Energy each: 1,337
Infernal Crater Area 141 clear per runJinfore Volcano
★11
250 energy
Drops: 19%Avg per clear: 0.19Energy each: 1,337
Infernal Crater Area 151 clear per runJinfore Volcano
★11
250 energy
Drops: 19%Avg per clear: 0.19Energy each: 1,337
Infernal Crater Area 161 clear per runJinfore Volcano
★11
250 energy
Drops: 19%Avg per clear: 0.19Energy each: 1,337
Badlands Area 21 clear per runAshvini Desert
★7
150 energy
Drops: 11%Avg per clear: 0.11Energy each: 1,429
Erupting Cavern Area 171 clear per runJinfore Volcano
★11
250 energy
Drops: 16%Avg per clear: 0.16Energy each: 1,534
Erupting Cavern Area 181 clear per runJinfore Volcano
★11
250 energy
Drops: 16%Avg per clear: 0.16Energy each: 1,534
Erupting Cavern Area 191 clear per runJinfore Volcano
★11
250 energy
Drops: 16%Avg per clear: 0.16Energy each: 1,534
Magma Tunnel Area 41 clear per runJinfore Volcano
★9
200 energy
Drops: 9.5%Avg per clear: 0.1Energy each: 2,105
Badlands Area 11 clear per runAshvini Desert
★6
150 energy
Drops: 7%Avg per clear: 0.07Energy each: 2,143
Magma Tunnel Area 31 clear per runJinfore Volcano
★9
200 energy
Drops: 8%Avg per clear: 0.08Energy each: 2,500
Magma Tunnel Area 21 clear per runJinfore Volcano
★8
200 energy
Drops: 6%Avg per clear: 0.06Energy each: 3,333
Downpour Jungle Area 111 clear per runHidden Forest of Gapra
★9
200 energy
Drops: 5%Avg per clear: 0.05Energy each: 4,000
Downpour Jungle Area 121 clear per runHidden Forest of Gapra
★9
200 energy
Drops: 5%Avg per clear: 0.05Energy each: 4,000
Downpour Jungle Area 131 clear per runHidden Forest of Gapra
★9
200 energy
Drops: 5%Avg per clear: 0.05Energy each: 4,000
Downpour Jungle Area 141 clear per runHidden Forest of Gapra
★9
200 energy
Drops: 5%Avg per clear: 0.05Energy each: 4,000
Downpour Jungle Area 151 clear per runHidden Forest of Gapra
★9
200 energy
Drops: 5%Avg per clear: 0.05Energy each: 4,000
Downpour Jungle Area 161 clear per runHidden Forest of Gapra
★9
200 energy
Drops: 5%Avg per clear: 0.05Energy each: 4,000
Primeval Wood Area 171 clear per runHidden Forest of Gapra
★10
250 energy
Drops: 5%Avg per clear: 0.05Energy each: 5,000
Primeval Wood Area 181 clear per runHidden Forest of Gapra
★10
250 energy
Drops: 5%Avg per clear: 0.05Energy each: 5,000
Primeval Wood Area 191 clear per runHidden Forest of Gapra
★10
250 energy
Drops: 5%Avg per clear: 0.05Energy each: 5,000
Magma Tunnel Area 11 clear per runJinfore Volcano
★8
200 energy
Drops: 4%Avg per clear: 0.04Energy each: 5,000

Needs an Enigma Clock(4)

An Enigma Clock opens one Enigma stage at random.

#	Stage	When	Cost	Drops			Difficulty
1	Blue Stone Desert IV1 clear per runHunter's Map IV	Needs an Enigma Clock	300 energy	×2 58%, ×3 32%, ×4 10%	2.52	119	★11
2	Blue Stone Desert III1 clear per runHunter's Map III	Needs an Enigma Clock	300 energy	30%, ×2 40%, ×3 30%	2	150	★10
3	Blue Stone Desert II1 clear per runHunter's Map II	Needs an Enigma Clock	250 energy	50%, ×2 50%	1.5	167	★9
4	Blue Crystal DesertPurple Crystal ForestOpens after Blue Stone Desert IV, 40% chance	Needs an Enigma Clock	300 energy	×3 40%	0.48	625	★11

Blue Stone Desert IV1 clear per runHunter's Map IV
★11
Needs an Enigma Clock300 energy
Drops: ×2 58%, ×3 32%, ×4 10%Avg per clear: 2.52Energy each: 119
Blue Stone Desert III1 clear per runHunter's Map III
★10
Needs an Enigma Clock300 energy
Drops: 30%, ×2 40%, ×3 30%Avg per clear: 2Energy each: 150
Blue Stone Desert II1 clear per runHunter's Map II
★9
Needs an Enigma Clock250 energy
Drops: 50%, ×2 50%Avg per clear: 1.5Energy each: 167
Blue Crystal DesertPurple Crystal ForestOpens after Blue Stone Desert IV, 40% chance
★11
Needs an Enigma Clock300 energy
Drops: ×3 40%Avg per clear: 0.48Energy each: 625

Once per run(2)

Tower floors and gauntlet levels give their reward on the first clear each time the event runs.

Stage	When	Cost	Reward	Difficulty
Eggs of Chaos Lv. 143 clears per runSuffering Spring!		100 energy	×2 100%	★9
Stagebuilding Witch: Cycle 83 clears per runWalpurgisnacht		120 energy	×2 100%	★8

Eggs of Chaos Lv. 143 clears per runSuffering Spring!
★9
100 energy
Reward: ×2 100%
Stagebuilding Witch: Cycle 83 clears per runWalpurgisnacht
★8
120 energy
Reward: ×2 100%