Truegold cost to advance each building through TG1–TG8. From TG6 onward, upgrades also require Tempered Truegold, shown in amber beneath the Truegold amount.

BUILDING	TG1	TG2	TG3	TG4	TG5	TG6	TG7	TG8
Town Center	660	790	1,190	1,400	1,675	900 60	1,080 90	1,080 120
Embassy	165	195	295	350	415	225 13	270 19	270 30
Command Center	130	155	235	280	335	180 12	216 18	216 24
Infirmary	130	155	235	280	335	180 12	216 18	216 24
Barracks	295	355	535	630	750	405 25	486 37	486 54
Stable	295	355	535	630	750	405 25	486 37	486 54
Range	295	355	535	630	750	405 25	486 37	486 54
War Academy	—	355	535	630	750	405 25	486 37	486 54
TOTAL	1,970	2,715	4,095	4,830	5,760	3,105 197	3,726 293	3,726 414