# Legendary Patrol Skill Book Police Chief item (Hero growth). Data version 0.1.121. Page: https://betterpolicechief.com/items/legendary-patrol-skill-book/ Use to upgrade the Patrol Skill level of Legendary Heroes ## What it's worth (US App Store prices, estimate) - Worth about $0.12 each at the typical pack rate; the middle of 20 priced purchases charges $0.093 each - List price bought as store diamonds: $1.98 each - Method: the game's list price in diamonds (or what its rules make it worth: a chest's options or average drop, the fragment a universal fragment becomes) at the median pack's price per diamond. Each pack's price is split over its contents by list price. ## Used for ### Hero skill upgrades Each Legendary hero has 3 skills that use it, each with the same costs. Higher levels also need a hero star level. - Lv 2 · needs star 6: 10 (total 10) - Lv 3 · needs star 12: 30 (total 40) - Lv 4 · needs star 18: 50 (total 90) - Lv 5 · needs star 24: 75 (total 165) Costs are for one of 3 skills per hero. ## In packs - Daily Special Discount Bundle (Daily Specials event): ×12, $0.077 each - Daily Special I (Daily Specials event): ×2, $0.081 each - Daily Special II (Daily Specials event): ×4, $0.1 each - Daily Special III (Daily Specials event): ×6, $0.093 each - Immortal Legend Pack (Immortal Legend Pack): ×10, $0.099 each - Lucky Coin Pack (Common) (Lucky Wheel event): ×1, $0.079 each - Lucky Coin Pack (Epic) (Lucky Wheel event): ×12, $0.095 each - Lucky Coin Pack (Legendary) (Lucky Wheel event): ×30, $0.095 each - Lucky Coin Pack (Rare) (Lucky Wheel event): ×7, $0.093 each - Lucky Coin Pack (Uncommon) (Lucky Wheel event): ×4, $0.092 each - Scarlett's Gift #1 (Regular Packs): ×5, $0.12 each - Scarlett's Gift #2 (Regular Packs): ×8, $0.12 each - Scarlett's Gift #3 (Regular Packs): ×10, $0.15 each - Scarlett's Gift #4 (Regular Packs): ×15, $0.18 each - Scarlett's Gift #5 (Regular Packs): ×20, $0.2 each - Skill Book Pack #1 (Regular Packs): ×30, $0.071 each - Skill Book Pack #2 (Regular Packs): ×60, $0.072 each - Skill Book Pack #3 (Regular Packs): ×120, $0.073 each - Skill Book Pack #4 (Regular Packs): ×300, $0.074 each - Skill Book Pack #5 (Regular Packs): ×600, $0.075 each ## In events - Alliance Mobilization (Alliance milestones): https://betterpolicechief.com/events/alliance-mobilization/ - Armed to the Teeth (Points milestones): https://betterpolicechief.com/events/armed-to-the-teeth/ - Arms Race (Points milestones): https://betterpolicechief.com/events/arms-race/ - Back to the Front Line (Points milestones): https://betterpolicechief.com/events/back-to-the-front-line/ - Bros. in Arms (Points milestones): https://betterpolicechief.com/events/bros-in-arms/ - Chief Almighty (Day by day): https://betterpolicechief.com/events/chief-almighty/ - Clue Compendium (Draw milestones): https://betterpolicechief.com/events/clue-compendium/ - Crime Sweep (Points milestones): https://betterpolicechief.com/events/crime-sweep/ - Dawn Journey (Pass track): https://betterpolicechief.com/events/dawn-journey/ - Decipher Operations (Pass track): https://betterpolicechief.com/events/decipher-operations/ - Downloads Reached (Misc): https://betterpolicechief.com/events/downloads-reached/ - Fans Center (Reward): https://betterpolicechief.com/events/fans-center/ - Fireworks Extravaganza (Pass track): https://betterpolicechief.com/events/fireworks-extravaganza/ - Flame of Freedom (Day by day): https://betterpolicechief.com/events/flame-of-freedom/ - Focused Construction (Points milestones): https://betterpolicechief.com/events/focused-construction/ - Game Changer (Pass track): https://betterpolicechief.com/events/game-changer/ - Halloween: Most Wanted (Pass track): https://betterpolicechief.com/events/halloween-most-wanted/ - Hero Program (Points milestones): https://betterpolicechief.com/events/hero-program/ - Heroes Unite (Pass track): https://betterpolicechief.com/events/heroes-unite/ - Increase Power (Points milestones): https://betterpolicechief.com/events/increase-power/ - King of the Hunt (Day by day): https://betterpolicechief.com/events/king-of-the-hunt/ - King of the Precinct (Glory medal reward): https://betterpolicechief.com/events/king-of-the-precinct/ - Liberty Loot (Top-up points milestones): https://betterpolicechief.com/events/liberty-loot/ - Login Gift (Pass track): https://betterpolicechief.com/events/login-gift/ - Lucky Wheel (Lucky wheel extra reward): https://betterpolicechief.com/events/lucky-wheel/ - Milestone (Milestone process): https://betterpolicechief.com/events/milestone/ - Officer Program (Points milestones): https://betterpolicechief.com/events/officer-program/ - Overtime (Points milestones): https://betterpolicechief.com/events/overtime/ - PD Development (Points milestones): https://betterpolicechief.com/events/pd-development/ - Path of Stars (Shining star group reward): https://betterpolicechief.com/events/path-of-stars/ - Rally for Battle (Points milestones): https://betterpolicechief.com/events/rally-for-battle/ - State Showdown (Day by day): https://betterpolicechief.com/events/state-showdown/ - Tech Development (Points milestones): https://betterpolicechief.com/events/tech-development/ - The Lost Vault (Draw milestones): https://betterpolicechief.com/events/the-lost-vault/ - Top-Up! (Top-up milestones): https://betterpolicechief.com/events/top-up/ - Trick or Treat (Top-up points milestones): https://betterpolicechief.com/events/trick-or-treat/ ## Where the game says to get it - Daily Tasks - Patrol Stage - Intel Center - Arena Store - VIP Store - Hero Recruitment Data updated 2026-10-26. Unofficial fan site; not affiliated with the game's makers.