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Water Assassin


Stella SW


TYPE: Attack

HOW TO GET: Mystical Scroll, Temple of Wishes, Water Scroll, Legendary Scroll


STELLA Water Assassin

MAX STATS (6* & Awakened)

HP: 10545 ATK: 790 DEF: 483 SPD: 102


Increases Accuracy by 25%.


10 High     20 Mid     5 High     15 Mid

high water essence.png




Skillups Needed: 15 (Use Family Skillups)

Expose Weakness: Attacks an enemy and looks for its weakness. This attack decreases the enemy's Defense for 2 turns with a 50% chance.

  • Lv.2 Damage +5%

  • Lv.3 Damage +5%

  • Lv.4 Harmful Effect Rate +10%

  • Lv.5 Damage +10%

  • Lv.6 Harmful Effect Rate +15%

Multiplier - 400% of ATK stat before reduction


Death Verdict: Attacks the enemy 2 times. Each attack has a 75% chance to leave a Brand and Silence the target for 2 turns. (Reusable in 4 turns)

  • Lv.2 Damage +10%

  • Lv.3 Harmful Effect Rate +10%

  • Lv.4 Damage +15%

  • Lv.5 Harmful Effect Rate +15%

  • Lv.6 Cooltime Turn -1

Multiplier -  300% x2 of ATK stat before reduction


Blade Dance of the Reaper: Attacks an enemy and decreases its Attack Bar by 10% for each attack. The number of strikes will increase up to 7 hits accordingly to your Attack Speed. The cooldown time for [Blade Dance of the Reaper] won't be activated if the enemy gets defeated. (Reusable in 6 turns)

  • Lv.2 Damage +10%

  • Lv.3 Harmful Effect Rate +10%

  • Lv.4 Damage +15%

  • Lv.5 Harmful Effect Rate +15%

  • Lv.6 Cooltime Turn -1

Multiplier - 180% of the ATK stat before reduction per hit. This skill hits twice at base 100 SPD and each additional 25 SPD ats 1 extra strike up to a maximum of 7 strikes total.

Minimum speed requirements for the skill Blade Dance of the Reaper per hit.

  • <125 speed: 2 hits

  • 125 speed: 3 hits

  • 150 speed: 4 hits

  • 175 speed: 5 hits

  • 200 speed: 6 hits

  • >224 speed: 7 hits

Leader Skill: None

Feel stuck? Want to make 10X Progress?


Early-Mid Game

Focus on Spd, Atk, CR, CD

2 - Sets | Blade, Revenge

4 - Set | Fatal, Rage, Despair


End Game 

Focus on Spd, Atk, CR, CD, Hp, Def, Acc

2 - Sets | Revenge, Will​​

4 - Set | Violent




CD% / CR%

*ONLY use CR on slot 4 if you can't get enough Crit Rate substats. Keep in mind these are just general recommendations, you will need to alter your rune and stat builds based on what content you want to use this monster for and what team you are using him with. 


Learn About Runes, Drop Locations, and More!



•The Water Assassin, Stella is a power monster for speed Dungeon teams. 

•Once maxed on her 2nd skill, it becomes very reliable and effective.

•Her 3rd skill does massive damage and eliminates cooldown if your opponent dies.

•She offers lots of debuffs and ATK bar decrease.

•Her skills make her extremely useful in many parts of the game from early to end.


•Her 1st Skill maxes at 75% chance to defense break.

•She needs a lot of speed to get the most out of her 3rd skill. 

•She needs a lot of skill ups and needs to be skilled up to get the most out of her.


*If you want to learn what monsters to use with Stella in Summoners War, here is the best GB10DB10NB10, and R5 guides that will walk you through your first teams for these dungeons.



GB10 (9/10): Stella is an excellent damage dealer while also suppling a defense break and branding!

DB10 (9/10): She has the same role in Dragons B10, she makes the runs fast and safe by doing huge damage.

NB10 (10/10): She is amazing in Nerco B10 because she has tons of Multi-Hits and does big damage to the boss. 

ToA (0/10): Stella is not usable in ToA as she lacks multi hits.

Rift of Worlds (10/10): She is a great R5 damage dealer while also suppling lots of debuffs on the dragon. 

Labyrinth (0/10): She isn't recommended here.

Dimensional Hole (2/10): She is not recommended for Dimensional Hole content because she doesn't offer much.

Arena (7/10): She works well with a lot of cleave teams against fire types.

Guild Wars (7/10): She's used as a water nuker here.

RTA (7/10): Stella is a versatile monster and can be used against fire heavy teams.

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