- Secondary battery survivability is now improved by 15/20/25/30% instead of 5/10/15/20%
- Secondary battery dispersion is now reduced by 6/9/12/15% instead of 3/6/9/12%
- Secondary battery reload time is now reduced by 6/9/12/15% instead of 5/8/10/15%

Official sources
Through the Spy Glass: Somme
Through the Spy Glass: Rhode Island
Through the Spy Glass: Laffey
Through the Spy Glass: Minegumo
Through the Spy Glass: Wisconsin
Through the Spy Glass: K. Schönberg
Through the Spy Glass: Velos
Through the Spy Glass: Haida
Through the Spy Glass: Lüshun
Bureau Overview: Vermont and Z-52
Through the Spy Glass: FR25
Through the Spy Glass: Constellation
Through the Spy Glass: Elbing
Through the Spy Glass: Hayate
Through the spy glass: USS Hill
Through the Spy Glass: USS Somers
Through the Spy Glass: Provorny
Base Trait
Built to Last
Skill Tree · 5 ranks
Skill balance changes
Recent balance updates affecting skills this commander carries.
BUFF
Properly Meticulous
2026-04-30
Ministry of Balance: Viva la Marina! Read the full official post
BUFF
No-Fly Zone
2025-07-31
- Ship's average AA damage per second is now increased by 4/8/12/15% instead of 3/6/8/10%.
Ministry of Balance: Back to the Naval Academy Read the full official post
BUFF
Crisscross
2025-07-31
- Battleship gun traverse speed is now increased by 0.4/0.8/1.2/1.5°/s instead of 0.3/0.6/0.9/1.2°/s.
- Cruiser gun traverse speed is now increased by 0.5/1.0/1.5/2.0°/s instead of 0.3/0.6/0.9/1.2°/s.
- Destroyer gun traverse speed is now increased by 2/3/4/5°/s instead of 0.8/1.6/2.4/3.2°/s.
Ministry of Balance: Back to the Naval Academy Read the full official post
NERF
Gyrating Drillbits
2024-10-10
- Battleship gun traverse speed effect reduced from +0.4/+0.8/+1.2/+1.5 °/s to +0.3/+0.6/+0.9/+1.2 °/s
- Battleship main gun AP shell damage effect reduced from +3/+6/+8/+10% to +2/+4/+6/+8%
- Negative effect on maximum battleship speed reduced from –7/–7/–7/–10% to –7/–7/–7/–7%
Ministry of Balance: Trick and Treat Read the full official post
CHANGE
Properly Meticulous
2024-04-25
- Increased survivability of secondary battery by 5/10/15/20%
- Reduced secondary battery dispersion by -3/-6/-9/-12%
- Enhanced secondary targeting duration has been increased from +10/+20/+25/+35% to +10/+20/+30/+40%
Ministry of Balance: Old Gold Read the full official post
CHANGE
Will to Rebuild
2023-04-06
- Rate of HP restoration per second reduced from 0.5 to 0.3%.
- Will to Rebuild now restores Saturation up to 20%.
Ministry of Balance Reports: German Commander Refit & More Read the full official post
CHANGE
Fight Fire With Fire
2023-04-06
- Static fire damage reduction swapped with fire reduction per active fire: 6/9/12/15% of damage, depending on rank.
Ministry of Balance Reports: German Commander Refit & More Read the full official post
CHANGE
Farsight
2023-04-06
- Activation range increased at lower ranks from 1.5/2/2.75/3.5 km to 2/2.5/3/3.5 km.
- The debuff that removed a Repair Party consumable charge has been removed; Farsight no longer has any trade-offs.
Ministry of Balance Reports: German Commander Refit & More Read the full official post
Recommended builds
Reference builds that headline William Sims, from GamingDiver-curated picks and Wargaming’s official Through the Spy Glass recommendations. Use them as a starting point and tune to your roster.
William Sims on Gearing
Torpedo pressureInspirationsArleigh Burke · Erich Bey
Constant torp pressure without sacrificing gun capability. Alternate salvos to keep enemies dodging permanently, then punish them in smoke when they can't maneuver cleanly.
Open in Build Tool →William Sims on Rhode Island
WG officialInspirationsFranz von Hipper · Jerzy Świrski
SkillsFlammable CannonierGyrating DrillbitsMarksmanshipProperly MeticulousFight Fire With Fire
Modulestop hull, top artillery, top fire control, top engine
UpgradesConcealment System Mod. 1Secondary Battery Mod. 2Main Battery Mod. 3
Source: Through the Spy Glass: Rhode Island
Open full build in Build Tool →William Sims on Wisconsin
WG officialInspirationsOtto Ciliax · Paolo di Revel
SkillsFlammable CannonierGyrating DrillbitsMarksmanshipReaching Out XXLReaching OutFight Fire With Fire
Modulestop hull, top artillery, top fire control, top engine
UpgradesConcealment System Mod. 1Main Battery Mod. 2Main Battery Mod. 3
Source: Through the Spy Glass: Wisconsin
Open full build in Build Tool →William Sims on Constellation
WG officialInspirationsDing Ruchang · Paolo di Revel
Modulestop hull, top artillery, top fire control, top engine
Source: Through the Spy Glass: Constellation
Open full build in Build Tool →William Sims on Vermont
WG officialInspirationsAngelo Iachino · Paolo di Revel
SkillsFlammable CannonierCrisscrossMarksmanshipEmergency SpecialistFight Fire With Fire
Modulestop hull, top artillery, top fire control, top engine
Source: Bureau Overview: Vermont and Z-52
Open in Build Tool →Featured as an inspiration
William Sims is suggested as an inspiration commander in these builds:
- Allen M. Sumner build (with Arleigh Burke)
- Allen M. Sumner build (with Vincent Mordoff)
- Akizuki build (with Abe V. Hellsinger)
- Aigle build (with Philippe Auboyneau)
- Gearing build (with Arleigh Burke)
- Fletcher build (with Arleigh Burke)
- Somme build (with Philip Vian)
- Laffey build (with William Halsey)
- Minegumo build (with Takeo Kurita)
- Karl von Schönberg build (with Erich Bey)
- Haida build (with Leonard W. Murray)
- Lüshun build (with Deng Shichang)
- FR25 build (with Luigi Rizzo)
- Z-52 build (with Erich Bey)
