summary
The changes in patch 15.5 have been organized based on the latest information from tactics.tools.
This article provides a meta-forecast of the major adjustments and their impact on the environment.
Changes
unit
- Kenen
Recovery: 215/273/353 → 245/313/413
Skill damage: 130/195/300 → 100/150/225 - Kai-Sa
Skill damage per missile: 42/62/98 → 38/56/89 - Catalina
1st level skill damage: 130/200/300 → 140/210/325
2nd level skill damage: 51/78/117 → 55/82/127 - Gangplank
AS: 0.75 → 0.80 - Jin
4th damage: 230/395/55 → 220/330/510 - Lacan
Skill damage: 80/120/180 → 55/85/130 - Ary
Skill damage: 430/650/1175 → 460/690/1275
Additional magic damage from overkill dispersion: 40/60/95 → 10/15/25 - Cog-Mau (Rework)
Automatic effect: normal attacks deal 50/75/120 additional magic damage. Maximum attack speed increases to 6.
Activation effect: The next normal attack deals 55/85/130 additional magic damage to the target and two nearby enemies, and grants 30% shredding and disintegration for 4 seconds. Using the skill increases attack speed by 15% until the end of the battle.
Attack Speed: 0.75 → 0.80 - Jace
Skill Damage: 180/270/415 → 200/300/470 - JIGS
AS: 0 .75 → 0.80 - Swain
Maximum HP increase: 415/531/708 → 395/511/688
Recovery on subsequent activation: 355/461/633 → 395/511/688 - Smolder (Rework)
Automatic effect: Damage inflicts burning and wounding for 5 seconds. Ignores 30% of the target’s physical defense.
Activation Effect: Deals 265/400/635 physical damage to the target and 50/75/120 magic damage to the three nearest targets. Each time the skill is used twice, a second attack is made against the next closest enemy, dealing 75% damage.
Mana: 0/60 → 0/50 - Neeko
Durability increase: 35/35/40% → 40
Mana: 20/80 → 20/70 - Malzahar
Skill Damage: 545/820/1390 → 515/775/1315 - Rams (Rework)
Automatic Effect: None
Activation Effect: Gains a shield with endurance value of 475/575/675 for 4 seconds; leaps to the largest group within 2 squares, dealing 48/72/120 magic damage and taunting enemies hit. Each enemy counted increases maximum strength by 15/25/35. When the shield is destroyed, fires thorns at the 3 closest enemies, damaging and stunning them for 1/1.25/1.5 seconds.
Strength: 900/1620/2916 → 1000/1800/3240
Mana: 40/110 → 40/100 - Viego
AS: 0.90 → 0.85 - Akali
Skill Damage (Main): 80/120/1000 → 95/145/1000
Skill Damage (Sub): 70/105/1000 → 80/120/1000 - Ash
Skill damage: 120/184/880 → 144/224/1080
Damage per arrow: 23 → 28
AD: 60/90/135 → 65/98/146
The increase in the number of arrows per normal attack has been removed. - Karma
Mana: 0/70 → 0/65 - Bolivare
Attack speed of self buff: 99/99/300% → 125/125/500%.
AD: 70/105/158 → 75/113/169 - Yumi
Number of pages: 15 → 20 (subsequent increase +5 → +4)
Damage per page: 24/36/150 → 25/38/150
Additional fixed damage: 22/32/135 → 15/23/90
Attack speed: 0.75 → 0.80 - Leona
Mana: 30/100 → 30/90 - Braum
Skill Damage: 275/415/4501 → 310/465/4501
special characteristic
- Edge load
(4)Attack power: 35% → 40
(6)Attack power: 55% → 60 - Crystal Gambit
(7)Increased status: 500HP/20% damage increase → 300HP/15% damage increase - The Crew
(3x★3) Rocket: 80 damage for 280 damage → 75 damage for 280 damage - Monster Trainer
Removed summoned monster level up system
item
- Giant’s Oath
When max stack is reached: 15AR/15MR → 10% more damage - Quicksilver
AS: +10% → +15% - Mogul Mail
Gold after full stack: 1G every 8 seconds → 1G every 10 seconds - Dawn of Silvermere
AD/AR/MR: 120%/60/60 → 140%/80/80 - Talisman of Transcendence
HP: +300 → +500 - Rediant Giant’s Oath
When max stack is reached: 40AR/40MR → 20% more damage - Radiant Adaptive Helm
Tank/Fighter: 75AR/MR -> 90AR/MR
Marksman/caster: 45AP/AD -> +60AP/AD - Radiant Quicksilver
AS: 25% → 40
augment
- 1 extra!
Gold granted: 1G → 5G - Aura training in progress
Board placement restrictions: 4-6 → 4-3 - Starter Kit
Granted Gold: 4G → 8G - Thorn Plate Armor
Reflective damage: 1-180% → 20-210% depending on stage
Recovery on reflection: 30% recovery for the equipped person → removed - Tesla Coil
Blitz damage: 250-375 → 260-320 - Mini-Mini Team
Bonus: 200% → 150 - Raid Boss
Max HP of the strongest Bastion: 20% → 25%. - Preventive Protection
Shield amount: 14% of maximum HP → 18% of maximum HP - remittance
Granting period: current + start of each stage → current + start of next 2 stages - Choice of Radiant
Choice of Radiant: Lv7 → Lv8 - Investment Strategy I
Permanent HP per 1G of interest: 7 → 8 - Wandering Trainer II
Gold granted: 6G → 8G - Lifetime Bronze I
Damage increase: 2.5% → 3%. - Lifetime Bronze II
Damage increase: 2.5% → 3%
Durability: 1% → 1.5 - Escape Speed
Acceleration at level up: 6 → 10
making more powerful
- Shine brighter!
Damage increase: 10% → 20%. - Ice Bender (Rise)
Cold air duration: 4 sec → 1 sec
Additional damage: 25% → 20% to enemies adjacent to the target - Storm Bender
Rebound damage: 25% → 22 - Social Light
Enhanced mass effect: 10% more damage + 120 HP → 6% more damage + 60 HP
Self Bonus for target champion: 200% → 300
Reinforcement Mass “lasts 4 rounds” effect has been removed. - Desperado
Launch conditions & magnification: 12 times/140% → 8 times/100%. - Fan Service
(1)HP/AD&AS/AR&MR: 150/8/8 → 115/5/5/5
(2)HP/AD&AS/AR&M: 300/15/15 → 225/15/10 - Mecha Pilot
AD/AP/AS inherited by mechas: 80% → 70%. - Mecha Blade
AS acquired: 4% of maximum HP → 5%. - Knight of the Stars
HP per cost per body: 6% → 7%. - Maximum speed
Initial AS increase: 10% → 15%. - Refinement
Characteristic effect amplification: 40% → 45 - Singularity
Permanent HP increase when destroyed: 10 → 15 - Spirit Sword
Additional magic damage on critical hits: 40% → 30%. - Hungry Hero
Initial AD: 8% → 10%
HP at purchase each round: 100 → 150 - Growing Rage
AS increase per AA: 3% → 3.5 - Golden Globe
Permanent AD per 1G of interest: +1.5 → +2
meta-expected
With the enhancement of Bolivare and Ash, the Bolivare axis (Edge Lord/Luchador/Bastion) and theAsh axis (Duelist, Crystal Gambit ) may increase their presence.
As for Ash, the small rework has eased its AS dependence, making it easier for it to provide firepower not only for Duelist but also for Crystal Gambit and others.
On the other hand, protector snipers and Viego rerolls, which were meta until recently, are expected to settle down in power with the nerfing of Jin and Viego.
Also, with the reworking of the Monster Trainer, Rams, Smolder, and Cog-Maw can now be “inserted into the board at any time”.
This will allow for more flexibility in the use of the Monster Trainer, or a more flexible use of the Monster Trainer in the progression of the game, expanding both the composition and the progression of the game.
In general, because of the powerful buffs of some units (Bolivare, Ash), we expect this patch to be a patch where the composition may be built around those units.

I think Bastion Bear and 15.4 were strong there too, but..,
I wonder if the next patch will be a riot.
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