Security Wall

Protects the PD. Upgrade to increase the wall's Durability.

Upgrade Data

Resources, requirements and base time to reach the target level. Speed bonuses are excluded. “—” means the supplied table did not include a value.

Target Level	Requirements	Required Resources	Base Time	Building Power
Lv.1	Chief's Office Lv.7	—	—	400
Lv.2	Chief's Office Lv.7	5,3001,000	10 s	3,100
Lv.3	Chief's Office Lv.10	88,00017,0004,400	21 min 30 s	9,400
Lv.4	Chief's Office Lv.13	420,000420,00084,00021,000	1 h 4 min 30 s	21,940
Lv.5	Chief's Office Lv.16	1,400,0001,400,000290,00074,000	3 h 39 min	47,240
Lv.6	Chief's Office Lv.20	5,300,0005,300,0001,000,000260,000	9 h 52 min 30 s	86,360
Lv.7	Chief's Office Lv.24	15,000,00015,000,0003,000,000750,000	1 d 13 h 44 min	149,500
Lv.8	Chief's Office Lv.27	37,000,00037,000,0007,400,0001,800,000	3 d 55 min	217,320
Lv.9	Chief's Office Lv.29	61,000,00061,000,00012,000,0003,000,000	4 d 26 min	267,920
Lv.10	Chief's Office Lv.30	75,000,00075,000,00015,000,0003,700,000	4 d 19 h 44 min	304,700

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