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Mechdragons' Massive Fortress is a technical dungeon that becomes available after completing Hill of Iris's Rainbow. It replaces the retired biweekly Mechdragon dungeon series.

This dungeon is a great place to farm +eggs on 1.5x drop Mondays, especially if there is a +egg bonus event going on. Unlike the other Technical Dungeons that may drop Evolution & Enhance Materials which can never have a +, this dungeon has the potential to drop a +egg on every floor.

Monster DataEdit

No. 283
Fire Mechdragon, Betelgeuse
Pet283
StarStarStarStarStarStar
283i No Evolution Needed
Skill
StarStar
L. Skill
StarStarStarHalf
HP
StarStarStarStarStar
Attack
StarStarStarStar
Recover
StarHalf
Overall
StarGreenStarGreenStarGreenStarGreenStarGreen
Exceptional HP and very high ATK. Active skill is quite good even if not leveled up.
No. 284
Ice Mechdragon, Aldebaran
Pet284
StarStarStarStarStarStar
284i No Evolution Needed
Skill
StarStar
L. Skill
StarStarStarHalf
HP
StarStarStarStarStar
Attack
StarStarStarStar
Recover
StarHalf
Overall
StarGreenStarGreenStarGreenStarGreenStarGreen
Exceptional HP and very high ATK. Active skill is quite good even if not leveled up.
No. 1206
5 Mechdragon Fusion, God Canopus
Pet1206
StarStarStarStarStarStarStar
285iEvoArrow1206i
Skill
StarStar
L. Skill
StarStarStarHalf
HP
StarStarStarStarStar
Attack
StarStarStarStarStarHalf
Recover
Star
Overall
StarGreenStarGreenStarGreenStarGreenStarGreen
Exceptional HP and very high ATK. Active skill is quite good even if not leveled up. New ultimate form adds God subtype, row enhance, and Prongs, making it a reasonable non-IAP sub for God teams.
No. 286
Noble Mechdragon, Regulus
Pet286
StarStarStarStarStarStar
286i No Evolution Needed
Skill
StarStar
L. Skill
StarStarStarHalf
HP
StarStarStarStarStar
Attack
StarStarStarStarHalf
Recover
StarHalf
Overall
StarGreenStarGreenStarGreenStarGreenStarGreen
Exceptional HP and very high ATK. Active skill is quite good even if not leveled up.
No. 1207
5 Mechdragon Combo, Demon Hadar
Pet1207
StarStarStarStarStarStarStar
287iEvoArrow1207i
Skill
StarStar
L. Skill
StarStarStarHalf
HP
StarStarStarStarStar
Attack
StarStarStarStarStar
Recover
StarHalf
Overall
StarGreenStarGreenStarGreenStarGreenStarGreen
Exceptional HP and very high ATK. Active skill is quite good even if not leveled up. New ultimate form adds Devil subtype, row enhance, and Prongs, making it a reasonable non-IAP sub for Devil teams.

Flame of ConvictionEdit

Stamina 50 Money 31440–33360 (648 / Sta)
Dungeon 10 Exp 18605–19410 (380 / Sta)
Dungeon Monster Battle Turn Hp Defence Loot Notes
063i Samurai Ogre 13500 3 61500 0 063i Lv10
Skill Tension Energy Charge Next regular hit→27000.
50% chance.
192i Pyro Demon 5460 1 46650 2200 192i Lv10
Skill Lock Water Bind Bind Gem2 for 2–4 turns.
10% chance.
262i Flame Chimera 7650 2 34500 500 262i Lv10
Skill EnemyMultipleAttack Double Strike Multi-Hit (2) 10710
10% chance.
Rare 098i Mystic Flame Knight 6480 3 76350 900 098i Lv10
5 263i Magma Chimera 14580 2 842100 1400 263i Lv10
Skill EnemyMultipleAttack Double Strike Multi-Hit (2) 20412
10% chance.
Skill Lock Double Bind Bind 2 for 2–4 turns.
10% chance.
9 206i Mars Light Carbuncle×2 11024 2 354747 960 206i Lv8
Skill Recover Cure Heal 50%.
HP30%↓: 50% chance, 1 time max.
10 283i Fire Mechdragon, Betelgeuse 15570 2 1133400 1120 283i Lv10
Skill Recover Auto Recover Heal 40%.
HP50%↓: 75% chance, 1 time max.
Skill Tension High Energy Charge Next regular hit→46710.
HP25~75%: 50% chance.
Skill EnemyMultipleAttack Megiddo Cannon Multi-Hit (2) 43596
HP24%↓: 100% chance.

Ice-Breaking HoovesEdit

Stamina 50 Money 31320–31680 (630 / Sta)
Dungeon 10 Exp 18575–20065 (386 / Sta)
Dungeon Monster Battle Turn Hp Defence Loot Notes
065i Ice Ogre 13740 3 62250 0 065i Lv10
Skill Tension Energy Charge Next regular hit→27480.
50% chance.
194i Frost Demon 5490 1 48150 2200 194i Lv10
Skill Lock Leaf Bind Bind Gem3 for 2–4 turns.
10% chance.
264i Bubble Chimera 7440 2 33000 500 264i Lv10
Skill EnemyMultipleAttack Double Strike Multi-Hit (2) 10416
10% chance.
Rare 100i Mystic Ice Knight 6540 3 76350 900 100i Lv10
5 265i Deep Chimera 14370 2 834600 1400 265i Lv10
Skill EnemyMultipleAttack Double Strike Multi-Hit (2) 20118
10% chance.
Skill Lock Double Bind Bind 2 for 2–4 turns.
10% chance.
9 207i Mercury Light Carbuncle×2 11377 2 378302 960 207i Lv8
Skill Recover Cure Heal 50%.
HP30%↓: 50% chance, 1 time max.
10 284i Ice Mechdragon, Aldebaran 15120 2 1095900 1120 284i Lv10
Skill Recover Auto Recover Heal 40%.
HP50%↓: 75% chance, 1 time max.
Skill Tension High Energy Charge Next regular hit→45360.
HP25~75%: 50% chance.
Skill EnemyMultipleAttack Ice Crusher Multi-Hit (2-5) 21168–52920
HP24%↓: 100% chance.

Wailing WindEdit

Stamina 50 Money 29640–35760 (654 / Sta)
Dungeon 10 Exp 17875–20415 (383 / Sta)
Dungeon Monster Battle Turn Hp Defence Loot Notes
067i Armor Ogre 13950 3 63000 0 067i Lv10
Skill Tension Energy Charge Next regular hit→27900.
50% chance.
196i Taur Demon 5670 1 49650 2200 196i Lv10
Skill Lock Fire Bind Bind Gem1 for 2–4 turns.
10% chance.
266i Leaf Chimera 7200 2 31500 500 266i Lv10
Skill EnemyMultipleAttack Double Strike Multi-Hit (2) 10080
10% chance.
Rare 102i Mystic Stone Knight 6630 3 76350 900 102i Lv10
5 267i Flower Chimera 14130 2 827100 1400 267i Lv10
Skill EnemyMultipleAttack Double Strike Multi-Hit (2) 19782
75% chance.
Skill Lock Double Bind Bind 2 for 2–4 turns.
10% chance.
9 208i Earth Light Carbuncle×2 11731 2 401858 960 208i Lv8
Skill Recover Cure Heal 50%.
HP30%↓: 50% chance, 1 time max.
10 285i Wind Mechdragon, Canopus 10620 1 1058400 1120 285i Lv10
Skill Recover Auto Recover Heal 40%.
HP50%↓: 75% chance, 1 time max.
Skill Tension High Energy Charge Next regular hit→31860.
HP25~75%: 75% chance.
Skill EnemyMultipleAttack Cyclone Blast Multi-Hit (5) 26550
HP24%↓: 100% chance.

Noble Shining ClawsEdit

Stamina 50 Money 33960–35520 (695 / Sta)
Dungeon 10 Exp 19670–20360 (400 / Sta)
Dungeon Monster Battle Turn Hp Defence Loot Notes
075i White Knight 5280 2 26100 270 075i Lv10
198i Harpie Demon 5550 1 51150 2200 198i Lv10
Skill Lock Dark Bind Bind Gem5 for 2–4 turns.
25% chance.
268i Volt Chimera 7890 2 36000 500 268i Lv10
Skill EnemyMultipleAttack Double Strike Multi-Hit (2) 11046
10% chance.
Rare 104i Mystic Light Knight 6660 3 76350 900 104i Lv10
5 269i Thunder Chimera 14820 2 849600 1400 269i Lv10
Skill EnemyMultipleAttack Double Strike Multi-Hit (2) 20748
75% chance.
Skill Lock Double Bind Bind 2 for 2–4 turns.
10% chance.
9 209i Sunlight Carbuncle×2 12084 2 425413 960 209i Lv8
Skill Recover Cure Heal 50%.
HP30%↓: 50% chance, 1 time max.
10 286i Noble Mechdragon, Regulus 7020 1 1035900 1120 286i Lv10
Skill Recover Auto Recover Heal 40%.
HP50%↓: 75% chance, 1 time max.
Skill EnemyMultipleAttack Double Strike Multi-Hit (2) 9828
HP25~75%: 75% chance.
Skill EnemyMultipleAttack Endless Noble Claws Multi-Hit (4) 19656
HP24%↓: 100% chance.

Shadow of DestructionEdit

Stamina 50 Money 33000–35760 (688 / Sta)
Dungeon 10 Exp 19310–20450 (398 / Sta)
Dungeon Monster Battle Turn Hp Defence Loot Notes
077i Black Knight 5370 2 26850 270 077i Lv10
200i Blood Demon 5580 1 52650 2200 200i Lv10
Skill Lock Flash Bind Bind Gem4 for 2–4 turns.
25% chance.
270i Mist Chimera 8100 2 37500 500 270i Lv10
Skill EnemyMultipleAttack Double Strike Multi-Hit (2) 11340
10% chance.
Rare 108i Mystic Dark Knight 6720 3 76350 900 108i Lv10
5 271i Fog Chimera 15030 2 857100 1400 271i Lv10
Skill EnemyMultipleAttack Double Strike Multi-Hit (2) 21042
75% chance.
Skill Lock Double Bind Bind 2 for 2–4 turns.
10% chance.
9 210i Moonlight Carbuncle×2 12791 2 472524 960 210i Lv8
Skill Recover Cure Heal 50%.
HP30%↓: 50% chance, 1 time max.
10 287i Annihilate Mechdragon, Hadar 16020 2 1208400 1120 287i Lv10
Skill Recover Auto Recover Heal 40%.
HP50%↓: 75% chance, 1 time max.
Skill Tension High Energy Charge Next regular hit→48060.
HP25~75%: 75% chance.
Skill EnemyMultipleAttack Genocide Missile Multi-Hit (3) 43254
HP24%↓: 100% chance.
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