Special Investigation  Annihilation
Join and discuss at our Discord Server!



Reward  
 Sub dungeon may be attempted in any order. ( Does not apply to Oneshot Challenges )  The gift awarded is based on the sub dungeon completed.  Dungeon rewards are only granted once per level, regardless of the number of times completed. 
Show all: Skills  
FLR  Type  TRN  ATK  DEF  HP  Memo Loot  

1  Paolumu  1  Skill  1,800  21,754,000  Skill Set 1 RoarPreemptive Strike. Hide all orbs on the board. Moving the orb will reveal it.. Threatening Stomp ( 5 Turns )Preemptive Strike. Disable active skills for 5 turns.. Claw Attack ( 18,852 ) 33% Chance Spinning Tail Attack ( 17,138 ) 33% Chance Bite ( 16,281 ) ( CD +02 Turns ) 34% Chance Skill Set 2 Air Inhale ( 50% Damage 4 Turns )MidAir Body Slam ( 13,710 )Compressed Air Bubble ( 18,852 )< 50% HP, 100% Chance, 1 timeuse. < 50% HP, 100% Chance MidAir Body Slam ( 17,138 ) < 50% HP, 33% Chance Midair Tail Sweep ( 22,279 ) ( expand for details ) < 50% HP, 33% Chance < 50% HP, 33% Chance. Midair Tail Strike ( 22,279 ) 3 x non Deal 130% damage. Change the following row "Ｏ" into Dark orbs －－－－－－ －－－－－－ －－－－－－ －－－－－－ ＯＯＯＯＯＯ .. < 50% HP, 34% Chance < 50% HP, 34% Chance. Deal 130% damage. Randomly spawn Water & Dark orbs from non 3 Water & Dark orbs..  
2  Rathian  1  Skill  1,200  20,400,000  Skill Set 1 Roar ( 6 Turns )Dash ( 70% HP )Aerial Attack ( 15,450 ) ( CD +23 Turns ) 50% Chance Flame Breath ( 19,312 ) 1 x 50% Chance Skill Set 2 Tailspin ( 19,312 ) ( expand for details )< 50% HP, 100% Chance, 1 timeuse. 50% Chance. Wheeling Bite 3 x ( 5 Turns )Deal 100% damage. Change the following row "Ｏ" into Poison orbs －－－－－－ －－－－－－ ＯＯＯＯＯＯ －－－－－－ －－－－－－ .. 50% Chance. Triple Flame Breath ( 17,381 ) 8 x non Binds 3 Random cards for 5 turns. This will also disable leader skills and awoken skills.. < 50% HP, 33% Chance Triple Dash ( 19,119 ) < 50% HP, 33% Chance Aerial Tail Somersault ( 22,209 ) ( expand for details ) < 50% HP, 34% Chance < 50% HP, 34% Chance. Deal 115% damage. Change the following column "Ｏ" into Poison orbs －－－－－Ｏ －－－－－Ｏ －－－－－Ｏ －－－－－Ｏ －－－－－Ｏ ..  
3  Legiana  1  Skill  3,486  36,203,600  Gnashing Stomp ( 19,961 ) 15 x Preemptive Strike. Deal 100% damage and randomly change 15 Fire, Water, Wood, Light, Dark, Heart, Jammer, Poison & Lethal Poison orbs into locked orbs.. Chilling Discharge ( 50% 10 Turns ) 100% Chance, 1 timeuse MidAir Frost Scythe ( 17,965 ) ( 2 Turns ) 50% Chance MidAir Claw Attack ( 25,949 ) 50% Chance Skill Set 1 Roar ( 10 Turns )Frost Pillar ( 19,961 ) ( expand for details )< 50% HP, 100% Chance, 1 timeuse. 50% Chance. Dash Attack ( 70% HP )Deal 100% damage. Change the following column "Ｏ" into Water orbs －－Ｏ－－－ －－Ｏ－－－ －－Ｏ－－－ －－Ｏ－－－ －－Ｏ－－－ .. < 50% HP, 100% Chance MidAir Strike Attack ( 27,946 ) < 50% HP, 100% Chance MidAir Spinning Tail Attack ( 21,957 ) ( 1 Turn ) < 15% HP, 100% Chance  
4  Nargacuga  1  Skill  2,760  34,179,580  Skill Set 1 Bite ( 50%, 5 Turns )Spike Shot ( 21,495 ) 1 x < 15% HP, 100% Chance. Cutwing ( 8,598 )Preemptive Strike. Deal 100% damage and converts 1 Random orb into Jammer orbs.. 14% Chance Tail Slam ( 24,719 ) 14% Chance Great Tailspin ( 27,944 ) 14% Chance Dash ( 50% Damage 1 Turn ) 14% Chance Tail Sweep ( 17,196 ) ( expand for details ) 14% Chance 14% Chance. Springing Strike ( 21,495 )Deal 80% damage. Change the following row "Ｏ" into Dark orbs －－－－－－ －－－－－－ ＯＯＯＯＯＯ －－－－－－ －－－－－－ .. 14% Chance Tail is stuck and can't move! 100% Chance Skill Set 2 Roar +15% ( 5 Turns )< 50% HP, 100% Chance, 1 timeuse. 100% Chance. Will use will use after [Tail Slam] Spike Shot ( 21,495 ) 1 x Increases skyfall chance of Jammer & Poison orbs by 15% for 5 turns.. 100% Chance. Will use will use after [Tail Slam] Deal 100% damage and converts 1 Random orb into Jammer orbs..  
5  Brachydios  1  Skill  2,656  27,964,134  Jumping Strike Attack ( 22,447 ) 6 x Preemptive Strike. Deal 100% damage and randomly change 6 orbs into bomb.. Spinning Tail Attack ( 23,569 ) 40% Chance Spreading Slime 100% Chance Charge ( 20,202 ) 15% Chance 15% Chance. SlimeCoated Headbutt ( 17,958 )Deal 90% damage. Change the following orbs on the board into bomb －－－Ｏ－－ －－Ｏ－－－ －－－Ｏ－－ －－Ｏ－－－ －－－Ｏ－－ .. 15% Chance 15% Chance. Foreleg Slam ( 21,325 ) 3 x Deal 80% damage. Change the following orbs on the board into bomb －－－－－－ －－ＯＯ－－ －Ｏ－－Ｏ－ －Ｏ－－Ｏ－ －－ＯＯ－－ .. 30% Chance Roar ( 50% Damage 5 Turns ) < 50% HP, 100% Chance, 1 timeuse Spinning Tail Attack ( 24,692 ) < 50% HP, 30% Chance Jumping Strike Attack ( 23,569 ) ( expand for details ) < 50% HP, 20% Chance < 50% HP, 20% Chance. Foreleg Slam ( 23,569 ) 4 x non Deal 105% damage. Change the following column "Ｏ" into Fire orbs －Ｏ－－Ｏ－ －Ｏ－－Ｏ－ －Ｏ－－Ｏ－ －Ｏ－－Ｏ－ －Ｏ－－Ｏ－ .. < 50% HP, 30% Chance Charge ( 23,569 ) ( 1 Turn ) < 50% HP, 20% Chance < 50% HP, 20% Chance. Slime Mold Explosion ( 26,936 ) Deal 105% damage. Hide the following orbs "Ｏ" on the board for 1 turn. Moving the orb will not reveal it －－－－－－ －－－Ｏ－－ －－Ｏ－－－ －－－Ｏ－－ －－Ｏ－－－ .. < 50% HP, 100% Chance < 50% HP, 100% Chance. Will use every 5 turns Deal 120% damage. Change all orbs to Fire & Jammer orbs..  
6  Rathalos  1  Skill  3,652  32,674,826  Skill Set 1 RoarBinding Attack ( 23,209 ) 4 x Subs ( 5 Turns )< 50% HP, 100% Chance. Will use every 5 turns Tailspin ( 23,209 )Preemptive Strike. Binds 4 Random subs for 5 turns. This will also disable awoken skills.. 50% Chance Rushing Bite ( 18,567 ) 3 x 50% Chance 50% Chance. Will use when above 70% HP Deal 80% damage and randomly change 3 Fire, Water, Wood, Light, Dark, Heart, Jammer, Poison & Lethal Poison orbs into locked orbs.. Skill Set 2 Take Flight ( < 7 Combos 5 Turns )< 70% HP, 100% Chance, 1 timeuse. 50% Chance. Will use when above 70% HP Aerial Tailspin ( 20,888 ) ( expand for details )Absorbs 100% of the damage you cause for combos 6 and under for 5 turns.. 50% Chance. Will use when above 70% HP Airborne Heat Breath ( 25,530 ) ( expand for details )Deal 90% damage. Change the following column "Ｏ" into Fire orbs －Ｏ－－Ｏ－ －Ｏ－－Ｏ－ －Ｏ－－Ｏ－ －Ｏ－－Ｏ－ －Ｏ－－Ｏ－ .. < 70% HP, 25% Chance < 70% HP, 25% Chance. Flame Breath ( 23,209 ) ( expand for details )Deal 110% damage. Change the following row "Ｏ" into Fire orbs －－－－－－ ＯＯＯＯＯＯ －－－－－－ －－－－－－ －－－－－－ .. < 70% HP, 25% Chance < 70% HP, 25% Chance. Flying Kick ( 27,851 ) 4 x non Deal 100% damage. Change the following column "Ｏ" into Fire orbs －－Ｏ－－－ －－Ｏ－－－ －－Ｏ－－－ －－Ｏ－－－ －－Ｏ－－－ .. < 70% HP, 25% Chance Airborne Bite ( 20,888 ) 3 x < 70% HP, 25% Chance < 70% HP, 25% Chance. Triple Flame Breath ( 27,852 )Deal 90% damage and randomly change 3 Fire, Water, Wood, Light, Dark, Heart, Jammer, Poison & Lethal Poison orbs into locked orbs.. < 15% HP, 100% Chance  
7  Kirin  1  Skill  3,818  34,727,884  Lightning Dash ( 4 Turns ) Preemptive Strike. Targeted position will rotate attributes every 1 seconds for 4 turns N/A ( 25,060 )－Ｏ－－Ｏ－ －－－－－－ －－－－－－ －－－－－－ －Ｏ－－Ｏ－ .. 25% Chance Thunderbolt ( 23,867 ) ( P.Leader 1 Turn ) 25% Chance 25% Chance. Thunderbolt ( 23,867 ) ( F.Leader 1 Turn )Deal 100% damage and binds Player's Leader for 1 turn. This will also disable leader skill and awoken skills.. 25% Chance 25% Chance. Thunderbolt ( 23,867 ) ( P.Leader 2 Turns )Deal 100% damage and binds Friend's Leader for 1 turn. This will also disable leader skill and awoken skills.. 25% Chance 25% Chance. Impale ( 23,867 ) ( 1 Turn )Deal 100% damage and binds Player's Leader for 2 turns. This will also disable leader skill and awoken skills.. < 50% HP, 100% Chance, 1 timeuse N/A ( 25,060 ) < 50% HP, 25% Chance Thunderbolt ( 23,867 ) 2 x Subs ( 1 Turn ) < 50% HP, 25% Chance < 50% HP, 25% Chance. Thunderbolt ( 23,867 ) ( F.Leader 2 Turns )Deal 100% damage and binds 2 Random subs for 1 turn. This will also disable awoken skills.. < 50% HP, 25% Chance < 50% HP, 25% Chance. Thunderbolt ( 23,867 ) 2 x Subs ( 2 Turns )Deal 100% damage and binds Friend's Leader for 2 turns. This will also disable leader skill and awoken skills.. < 50% HP, 25% Chance < 50% HP, 25% Chance. Great Thunderbolt ( 28,640 ) 6 x ( 5 Turns )Deal 100% damage and binds 2 Random subs for 2 turns. This will also disable awoken skills.. < 10% HP, 100% Chance < 10% HP, 100% Chance. Deal 120% damage and binds 6 Random cards for 5 turns. This will also disable leader skills and awoken skills..  
8  Nergigante  1  Skill  2,968  36,350,222  Skill Set 1 Roar ( P.Leader 3 Turns )Extinction Dragon's Force ( 50% Damage 10 Turns )Headbutt ( 20,807 )Deal 90% damage.. Heavy Slam ( 16,183 )Deal 70% damage.. Spread Wing Attack ( 18,495 ) ( expand for details ) < 75% HP, 100% Chance Skill Set 2 Tail Scythe ( 16,183 )Annihilation Spike Whirl ( 4 Turns )< 75% HP, 100% Chance. Will use every 4 turns < 75% HP, 100% Chance. Will use every 4 turns Foreleg Uppercut ( 20,807 ) ( CD +1 Turn )Lock the following row "Ｏ" on the board for 4 turns ＯＯＯＯＯＯ －－－－－－ －－－－－－ －－－－－－ －－－－－－ .. < 75% HP, 100% Chance < 75% HP, 100% Chance. Will use every 4 turns Deal 90% damage and increases cooldown of active skills by 1 turn.. Skill Set 3 Head Strike ( 50% HP )Spike Shot ( 13,872 )< 75% HP, 100% Chance. Will use every 4 turns Skill Set 4 Roar ( 1 Turn )Pounce Attack ( 25,431 )< 50% HP, 33% Chance. < 75% HP, 100% Chance. Will use every 4 turns Deal 110% damage. Converts Light orbs into Jammer orbs.. Skill Set 5 Tail Strike ( 20,807 )Binding Attack ( 6,936 ) ( P.Leader 1 Turn )< 50% HP, 33% Chance. < 75% HP, 100% Chance. Will use every 4 turns Binds Player's Leader for 1 turn. This will also disable leader skill and awoken skills.. Skill Set 6 Spike Regeneration ( Enemy +10% )Annihilation Fist ( 25,431 )Heaven's Ruin ( 27,744 )< 50% HP, 33% Chance. < 10% HP, 100% Chance  
9  Velkhana  1  Skill  2,120  61,000,000  Resolve 50 ( 50% Resolve ) Passive. While HP is 50% or above, a single hit that normally kills it will instead leave it with 1 HP.. Skill Set 1 Roar ( 50% ATK, 5 Turns )Preemptive Strike. Reduces ATK by 50% for 5 turns.. Buffering Wind ( ≥ 4000k Void Damage 5 Turns )Preemptive Strike. Immune single hit damage over 4,000,000 for 5 turns.. Cryobreath ( 22,079 ) ( expand for details ) 33% Chance 33% Chance. Repeating Tail Thrust ( 24,532 )Deal 90% damage. Change the following row "Ｏ" into Water orbs ＯＯＯＯＯＯ －－－－－－ －－－－－－ －－－－－－ －－－－－－ .. 34% Chance Wheeling Bite ( 19,626 ) 2 x Subs ( 10 Turns ) 33% Chance Giant Ice Block ( 29,438 ) 1 x < 50% HP, 50% Chance Great Ice Pillar Attack ( 28,212 ) ( expand for details ) < 50% HP, 50% Chance < 50% HP, 50% Chance. Deal 115% damage. Change the following column "Ｏ" into Water orbs Ｏ－－－－Ｏ Ｏ－－－－Ｏ Ｏ－－－－Ｏ Ｏ－－－－Ｏ Ｏ－－－－Ｏ .. Skill Set 2 Ice Wall ( 75% Damage 4 Turns )Glacial Haze ( 4 Turns )Absolute Zero ( 1,226,600 ) < 50% HP, 100% Chance, 1 timeuse. < 1% HP, 100% Chance  
10  Alatreon  1  Skill  2,120  110,000,000  Skill Set 1 Roar ( 999 Turns )< 1% HP, 100% Chance. Fire Active Status ( 4 Turns )Dash Attack ( 25,214 ) ( CD +6 Turns )Preemptive Strike. Immunity against status effects such as delay, poison, defense reduction for 999 turns.. < 1% HP, 100% Chance. Claw Attack ( 24,458 ) ( 50%, 1 Turn )Preemptive Strike. Deal 100% damage and increases cooldown of active skills by 6 turns.. 33% Chance ( 48915 after Rage ) Dash Attack ( 23,953 ) ( CD +03 Turns ) 33% Chance ( 47907 after Rage ) Flame Breath ( 25,214 ) ( expand for details ) 34% Chance ( 50428 after Rage ) 34% Chance. Rage ( 999 Turns )Deal 100% damage. Change the following row "Ｏ" into Fire orbs －－－－－－ －－－－－－ －－－－－－ ＯＯＯＯＯＯ ＯＯＯＯＯＯ .. Increases damage to 200% for the next 999 turns.. Dragon Active Status ( 75% Damage 4 Turns ) 100% Chance, 1 timeuse Claw Attack ( 24,458 ) ( 50%, 1 Turn ) 50% Chance ( 48915 after Rage ) Dash Attack ( 23,953 ) ( CD +03 Turns ) 50% Chance ( 47907 after Rage ) Skill Set 2 Escaton Judgement ( 50,428 ) Ice Active Status ( 4 Turns )Claw Attack ( 24,458 ) ( 50%, 1 Turn )100% Chance, 1 timeuse. 33% Chance ( 48915 after Rage ) Dash Attack ( 23,953 ) ( CD +03 Turns ) 33% Chance ( 47907 after Rage ) Icicle Drop ( 25,214 ) ( expand for details ) 34% Chance ( 50428 after Rage ) 34% Chance. Dragon Active Status ( 75% Damage 4 Turns )Deal 100% damage. Change the following column "Ｏ" into Water orbs －－ＯＯ－－ －－ＯＯ－－ －－ＯＯ－－ －－ＯＯ－－ －－ＯＯ－－ .. 100% Chance, 1 timeuse Dash Attack ( 23,953 ) ( CD +03 Turns ) 100% Chance, 1 timeuse ( 47907 after Rage ) Dash Attack ( 23,953 ) ( CD +03 Turns ) 100% Chance, 1 timeuse ( 47907 after Rage ) Dash Attack ( 23,953 ) ( CD +03 Turns ) 100% Chance, 1 timeuse ( 47907 after Rage ) Skill Set 3 Escaton Judgement ( 50,428 ) Fire Active Status ( 4 Turns ) 100% Chance, 1 timeuse. 





In normal dungeons, rare monsters have approximately a 25% drop rate based on player experience. The rate may be slightly higher for harder difficulty tiers. For end game bosses, the estimated drop chance per difficulty is: Mythical 100%, Legend 100% ( 40% If a Mythical Dungeon is available ), Master ~40%, Expert ~5%, Adept ~2%. 
Tell us what you think about this dungeon 
Add your comment 
0 By GenjitsuTy#103422 6 months ago ( 18.5.1 ) m 
Please follow the guidelines when posting a comment:  Your comment must be in English or it will be removed.  Stay on topic, only post comments that will further the discussion.  Do not post that you are looking for friends and do not post anyone's user id. 
My Previous Builds 
Do you forget which build you used for a specific dungeon? Save your build today! 
Suggest a build Note: Stones and estimated times are still based on monster level, monster skill level, individual player skill, initial orb spawn and luck. Due to these factors, down votes have been disabled for the original poster. 
Stone = Estimated number of stones to clear this dungeon Time = An approximation based on each individual build 
 Monster Hunter Challenge!  Annihilation 