Here you can find a lot of classic evil architecture constructor elements and pregathered example scene (exterior only).
This package is a part of Architecture bundle (save 50%)
Support, URP and HDRP shaders are here:
Triangles counts:
Chain1 - 9216 triangles
Chain2 - 4176 triangles
Cyl1 - 28 triangles
Cyl2 - 28 triangles
DarkArchElements_A1 - 580 triangles
DarkArchElements_A2 - 248 triangles
DarkArchElements_A3 - 264 triangles
DarkArchElements_A4 - 288 triangles
DarkArchElements_A5 - 492 triangles
DarkArchElements_A6 - 428 triangles
DarkArchElements_C1 - 288 triangles
DarkArchElements_C2 - 704 triangles
DarkArchElements_C3 - 1104 triangles
DarkArchElements_C4 - 904 triangles
DarkArchElements_C5 - 504 triangles
DarkArchElements_C6 - 28 triangles
DarkArchElements_C7 - 432 triangles
DarkArchElements_C8 - 1104 triangles
DarkArchElements_C9 - 520 triangles
DarkArchElements_CD1 - 424 triangles
DarkArchElements_CD10 - 60 triangles
DarkArchElements_CD2 - 872 triangles
DarkArchElements_CD3 - 688 triangles
DarkArchElements_CD4 - 168 triangles
DarkArchElements_CD5 - 756 triangles
DarkArchElements_CD6 - 456 triangles
DarkArchElements_CD7 - 680 triangles
DarkArchElements_CD7 1 - 168 triangles
DarkArchElements_CD8 - 612 triangles
DarkArchElements_CD9 - 480 triangles
DarkArchElements_Dt1 - 244 triangles
DarkArchElements_Dt10 - 160 triangles
DarkArchElements_Dt11 - 436 triangles
DarkArchElements_Dt12 - 106 triangles
DarkArchElements_Dt13 - 358 triangles
DarkArchElements_Dt14 - 226 triangles
DarkArchElements_Dt15 - 102 triangles
DarkArchElements_Dt16 - 216 triangles
DarkArchElements_Dt17 - 56 triangles
DarkArchElements_Dt18 - 84 triangles
DarkArchElements_Dt18 1 - 102 triangles
DarkArchElements_Dt19 - 40 triangles
DarkArchElements_Dt2 - 244 triangles
DarkArchElements_Dt20 - 40 triangles
DarkArchElements_Dt21 - 240 triangles
DarkArchElements_Dt22 - 100 triangles
DarkArchElements_Dt23 - 148 triangles
DarkArchElements_Dt24 - 436 triangles
DarkArchElements_Dt25 - 264 triangles
DarkArchElements_Dt3 - 348 triangles
DarkArchElements_Dt4 - 318 triangles
DarkArchElements_Dt5 - 72 triangles
DarkArchElements_Dt6 - 928 triangles
DarkArchElements_Dt7 - 40 triangles
DarkArchElements_Dt8 - 116 triangles
DarkArchElements_Dt9 - 48 triangles
DarkArchElements_F1 - 192 triangles
DarkArchElements_F10 - 706 triangles
DarkArchElements_F2 - 172 triangles
DarkArchElements_F3 - 268 triangles
DarkArchElements_F4 - 176 triangles
DarkArchElements_F5 - 1048 triangles
DarkArchElements_F6 - 472 triangles
DarkArchElements_F7 - 482 triangles
DarkArchElements_F8 - 566 triangles
DarkArchElements_F9 - 540 triangles
DarkArchElements_FW1 - 298 triangles
DarkArchElements_FW2 - 286 triangles
DarkArchElements_Gath_1 - 1212 triangles
DarkArchElements_Gath_10 - 968 triangles
DarkArchElements_Gath_11 - 3256 triangles
DarkArchElements_Gath_12 - 840 triangles
DarkArchElements_Gath_2 - 2660 triangles
DarkArchElements_Gath_3 - 816 triangles
DarkArchElements_Gath_4 - 1227 triangles
DarkArchElements_Gath_5 - 5900 triangles
DarkArchElements_Gath_6 - 4352 triangles
DarkArchElements_Gath_7 - 4220 triangles
DarkArchElements_Gath_8 - 5000 triangles
DarkArchElements_Gath_9 - 2308 triangles
DarkArchElements_Gath_C1 - 4416 triangles
DarkArchElements_Gath_C10 - 2340 triangles
DarkArchElements_Gath_C2 - 1664 triangles
DarkArchElements_Gath_C3 - 392 triangles
DarkArchElements_Gath_C4 - 2628 triangles
DarkArchElements_Gath_C5 - 712 triangles
DarkArchElements_Gath_C6 - 1534 triangles
DarkArchElements_Gath_C7 - 1784 triangles
DarkArchElements_Gath_C8 - 4700 triangles
DarkArchElements_Gath_C9 - 5804 triangles
DarkArchElements_K1 - 152 triangles
DarkArchElements_K10 - 52 triangles
DarkArchElements_K12 - 24 triangles
DarkArchElements_K13 - 128 triangles
DarkArchElements_K14 - 24 triangles
DarkArchElements_K2 - 324 triangles
DarkArchElements_K22 - 426 triangles
DarkArchElements_K3 - 296 triangles
DarkArchElements_K4 - 224 triangles
DarkArchElements_K44 - 202 triangles
DarkArchElements_K5 - 284 triangles
DarkArchElements_K6 - 28 triangles
DarkArchElements_K7 - 128 triangles
DarkArchElements_K8 - 128 triangles
DarkArchElements_K9 - 84 triangles
DarkArchElements_Pl1 - 60 triangles
DarkArchElements_Pl10 - 92 triangles
DarkArchElements_Pl11 - 304 triangles
DarkArchElements_Pl12 - 40 triangles
DarkArchElements_Pl13 - 112 triangles
DarkArchElements_Pl14 - 16 triangles
DarkArchElements_Pl15 - 120 triangles
DarkArchElements_Pl2 - 1092 triangles
DarkArchElements_Pl3 - 262 triangles
DarkArchElements_Pl4 - 20 triangles
DarkArchElements_Pl5 - 84 triangles
DarkArchElements_Pl6 - 40 triangles
DarkArchElements_Pl7 - 346 triangles
DarkArchElements_Pl8 - 176 triangles
DarkArchElements_Pl9 - 80 triangles
Fastening - 97 triangles
Flag_1 - 296 triangles
Flag_2 - 296 triangles
Flag_3 - 296 triangles
Flag_4 - 296 triangles
Ring - 256 triangles
Torch_1 - 710 triangles
Torch_2 - 2254 triangles
Torch_3 - 1914 triangles