Last Z HQ Level 31 Requirements & Upgrade Cost
Endgame Steel-tier HQ level. Requires Steel in addition to Wood, Food, and Zent, increasing hero level cap and march capacity for Season 4–5 warfare.
Prerequisite Buildings
Laboratory Lv. 30 + Rider Camp Lv. 30
Base Build Time
136d 22h 58m
Heroes Level Cap
Lv. 155
💰 Resource Cost for HQ Level 31
Exact resources required to start the HQ 30 → HQ 31 upgrade.
🪵 Wood
1.20G
1,200,000,000
🍖 Food
1.20G
1,200,000,000
💰 Zent
241.4M
241,400,000
⚙️ Steel
2.2M
2,200,000
⏱️ Speed-Ups Needed for HQ Level 31
Save your construction speed-ups for Tuesday VS Building Day to maximize Alliance Duel points.
3,287
1-Hour Speed-ups
1,096
3-Hour Speed-ups
411
8-Hour Speed-ups
137
24-Hour Speed-ups
📈 Cumulative Investment (HQ 1 → HQ 31)
Total cumulative Headquarters resources and build time from a fresh account up to Level 31:
Total Wood
6.68G
Total Food
6.68G
Total Zent
1.32G
Total Steel
2.2M
Total Build Time
689d 21h 40m