🗓️ Patch Comparison Period

• 25.17 Patch: 2025/08/27 ~ 2025/09/02
• 25.17 Patch: 2025/09/03 ~ 2025/09/07

📊 Analysis Scope

• Rank Tier: Emerald+

⭐ Selection Criteria

• Champions with notable increases or decreases in win rate, pick rate, and ban rate based on data analysis.

💡Champions to Watch This Week

• Notable Buff Champion: Zoe → A direct hit from the Horizon Focus buff with a +1.65%p win rate increase, other stats stable. Striking while the iron is hot in the long-range poke meta! ✨
• Notable Nerf Champion: Xerath → Win rate drops the most at -2.01%p, pick/ban rates rise but combat stability declines. Item buff failed to make an impact… Magic cannonballs went wide 💣😅

TOP

# Sion - Win Rate Rises on Fewer Deaths and Higher Multikills

For Sion, the champion with rising metrics, average win rate increased from 50.80% to 52.15%, average pick rate decreased from 5.83% to 5.71%, and average ban rate decreased from 0.24% to 0.21%. Sion's K/D/A (4.22/5.97/7.04 → 4.29/5.91/7.09) showed a notable drop in deaths (D), and multikills (1.94 → 1.97) rose slightly. Damage taken (43,345.5 → 43,138.7) decreased a bit, but the change was small compared to the win rate increase. Both pick rate and ban rate fell, suggesting little overvaluation. Since Sion had no direct changes in the patch notes, his adaptation to the meta and lane stabilization seem to be reflected in the trends: win rate (50.80% → 52.15%), pick rate (5.83% → 5.71%), ban rate (0.24% → 0.21%).

# Irelia - Win Rate Drops Despite Buffs, Pick/Ban Rise

Conversely, for Irelia, the champion with declining metrics, average win rate decreased from 52.23% to 51.23%, average pick rate increased from 5.65% to 5.97%, and average ban rate increased from 5.46% to 5.48%. Irelia's K/D/A (6.55/7.16/3.87 → 6.64/7.16/3.97), multikills (2.87 → 2.94), and damage taken (32,339.9 → 32,556.6) improved slightly, but win rate (52.23% → 51.23%) alone dropped. Given that pick rate and ban rate both increased, she may have faced counter matchups more often in higher tiers. For reference, in the patch notes Irelia received W AP ratio buffs (min/max +AP 40/120% → +AP 50/150%), E cooldown reduction (16/15/14/13/12s → 16/14.5/13/11.5/10s) and E AP ratio buff (+80% → +100%), but since the buffs focused on AP ratios, the impact on standard AD top builds was likely limited. Overall, the 1.00%p win rate drop against rising pick rate (5.65% → 5.97%) and ban rate (5.46% → 5.48%) is significant.

JUNGLE

# Graves - Notable Win Rate Increase in Stable Meta Adaptation

For Graves, the champion with rising metrics, average win rate increased from 48.42% to 49.49%, average pick rate increased from 3.31% to 3.49%, and average ban rate decreased from 0.37% to 0.35%. Graves' K/D/A (8.14/5.67/6.11 → 8.19/5.66/6.19) improved slightly, gold (13,307 → 13,277) stayed almost same, multikills (3.98 → 3.98) stable, damage taken (27,848 → 27,985) increased slightly, with overall solid operational metrics. His win rate increase was the largest among junglers in the same tier (approx. +1.07%p), indicating a meaningful improvement.

# Ekko - Momentum Dulled by Drop in Win Rate and Multikills

Conversely, for Ekko, the champion with declining metrics, average win rate decreased from 51.86% to 50.10%, average pick rate decreased from 4.14% to 3.91%, and average ban rate decreased from 0.35% to 0.27%. Ekko's K/D/A went from 8.04/5.19/7.10 to 7.93/5.40/7.19, with kills down and deaths up; gold (12,571 → 12,480) and multikills (4.15 → 4.01) both dropped. Damage taken (36,640 → 36,693) changed minimally and didn't translate to better survivability, resulting in sluggish carry potential and a simultaneous decline in win rate and pick rate. The clear magnitude of the drop within the same tier and the accompanying deterioration in key indicators point to a meaningful decline.

MID

# Zoe - Horizon Focus Buff Boosts Win Rate +1.65%p

For Zoe, the champion with rising metrics, average win rate increased from 50.79% to 52.44%, average pick rate decreased from 3.88% to 3.60%, and average ban rate decreased from 1.97% to 1.82%. Zoe recorded the largest win rate increase among tracked champions (+1.65%p). Combat metrics such as K/D/A (6.52/5.14/6.67 → 6.58/5.41/6.75), gold (11,038.2 → 11,014.8), multikills (3.39 → 3.35), and damage taken (18,475.0 → 19,042.2) were stable with no major changes, while the outcome metric of win rate improved markedly. Notably, in 25.17, Horizon Focus received buffs: AP 115 → 125, total cost 2,800 → 2,750, favoring long-range poke, aligning with Zoe's rise.

# Hwei - Pick Rate Up, Win Rate Down 1.45%p, Stumbling

Conversely, for Hwei, the champion with declining metrics, average win rate decreased from 50.94% to 49.49%, average pick rate increased from 4.73% to 5.31%, and average ban rate decreased from 0.59% to 0.55%. Hwei suffered the largest win rate decline among tracked champions (-1.45%p). Key metric changes were limited: K/D/A (5.14/5.41/7.37 → 5.17/5.49/7.50), gold (11,380.5 → 11,358.3), multikills (2.59 → 2.62), damage taken (19,822.2 → 19,960.1), so this week's decline appears to be a genuine performance drop rather than external factors. Hwei had no direct changes in the 25.17 patch notes, and despite the item buff (Horizon Focus) during the same period, win rate decreased in the data.

ADC

# Zeri - Win Rate +1%p, Overall Metrics Steady Rise

Comparing Week 2 of patch 25.17 to Week 1, for Zeri, the champion with rising metrics, average win rate increased from 50.04% to 51.09%, average pick rate decreased from 4.58% to 4.53%, and average ban rate increased from 0.08% to 0.08% (unchanged). Zeri showed slight improvements in K/D/A (7.31/5.87/6.68 → 7.52/5.97/6.68), gold (12,901.1 → 12,943.3), and multikills (3.56 → 3.63). Damage taken remained nearly identical (22,585.2 → 22,538.4). Although pick rate dipped slightly, the win rate increase was relatively large, indicating better overall performance. Zeri had no direct adjustments in the 25.17 patch notes; despite changes to other ADCs (Miss Fortune, Senna buffs, etc.) during the same period, her performance metrics rose steadily, which is the reason for selection. In summary: pick rate (4.58% → 4.53%), win rate (50.04% → 51.09%).

# Tristana - Declining Feel with Concurrent Drops in Win Rate and Pick Rate

Conversely, for Tristana, the champion with declining metrics, average win rate decreased from 51.41% to 50.45%, average pick rate decreased from 5.13% to 4.96%, and average ban rate decreased from 0.34% to 0.32%. Tristana's K/D/A (8.50/5.59/5.27 → 8.74/5.69/5.36), multikills (4.04 → 4.14), and gold (12,783.7 → 12,791.1) increased slightly, but deaths rose and win rate notably dropped, indicating lower actual perceived performance. Damage taken also increased slightly (20,585.5 → 20,671.1), maintaining engagement frequency but with reduced efficiency. Since there were no direct changes to Tristana in the 25.17 patch notes, this decline is reasonably attributed to meta and matchup shifts. The downtrend is confirmed in the metrics: pick rate (5.13% → 4.96%), win rate (51.41% → 50.45%), ban rate (0.34% → 0.32%).

SUPPORT

# Thresh - Win Rate and Pick Rate Rise Together, Position Value Re-emphasized

Comparing Week 2 of patch 25.17 to Week 1, for Thresh, the champion with rising metrics, average win rate increased from 50.71% to 51.22%, average pick rate increased from 14.99% to 16.14%, and average ban rate increased from 1.60% to 1.77%. Thresh's K/D/A (1.98/5.94/14.13 → 2.03/6.07/14.21) saw slight increases in kills and assists, maintaining stable combat involvement; gold (8,071.3 → 8,089.6), multikills (0.77 → 0.78), and damage taken (22,044.6 → 22,372.9) also rose modestly. The simultaneous increase in win rate (+0.51%p) and pick rate (+1.15%p) is significant, and with no direct changes to Thresh in the 25.17 patch, this is judged as a pure performance improvement.

# Xerath - Win Rate Crashes, Poke Stability Decline Confirmed

Conversely, for Xerath, the champion with declining metrics, average win rate decreased from 49.55% to 47.54%, average pick rate increased from 4.65% to 4.99%, and average ban rate increased from 1.45% to 1.58%. Xerath's K/D/A (4.34/5.89/10.62 → 4.51/6.12/10.94) saw deaths increase, lowering combat stability; gold (9,463.0 → 9,584.0), multikills (2.07 → 2.10), and damage taken (17,255.8 → 17,817.5) increased, but win rate clearly dropped by -2.01%p. While there were no direct nerfs or buffs to Xerath in the 25.17 patch, the related item Horizon Focus was buffed (AP 115 → 125, total cost 2,800g → 2,750g); nonetheless, the data shows no immediate win rate improvement.