Here you can find a lot of different elements like collumns, beams, walls etc. which you can use to create your hell-painful dungeons and buildings.
Support, URP and HDRP shaders are here:
Visual effects not included
Triangle counts:
PA_Architecture_1 - 6870 triangles
PA_Architecture_2 - 46670 triangles
PA_Architecture_3 - 46974 triangles
PA_Architecture_4 - 340 triangles
PA_Architecture_5 - 13692 triangles
PA_Architecture_6 - 37452 triangles
PA_Architecture_7 - 1408 triangles
PA_Architecture_8 - 42120 triangles
PA_Architecture_9 - 2400 triangles
PA_Architecture_Window_1 - 4380 triangles
PA_Architecture_Window_2 - 6208 triangles
PA_Architecture_Window_3 - 2160 triangles
PA_Architecture_Window_4 - 1464 triangles
PA_Big_1 - 1968 triangles
PA_Big_10 - 148 triangles
PA_Big_11 - 518 triangles
PA_Big_12 - 116 triangles
PA_Big_13 - 326 triangles
PA_Big_14 - 136 triangles
PA_Big_15 - 240 triangles
PA_Big_16 - 136 triangles
PA_Big_17 - 240 triangles
PA_Big_18 - 146 triangles
PA_Big_19 - 396 triangles
PA_Big_2 - 1512 triangles
PA_Big_20 - 148 triangles
PA_Big_21 - 364 triangles
PA_Big_22 - 664 triangles
PA_Big_23 - 224 triangles
PA_Big_23.001 - 320 triangles
PA_Big_24 - 400 triangles
PA_Big_25 - 192 triangles
PA_Big_26 - 488 triangles
PA_Big_27 - 208 triangles
PA_Big_28 - 246 triangles
PA_Big_281 - 98 triangles
PA_Big_29 - 792 triangles
PA_Big_3 - 144 triangles
PA_Big_30 - 156 triangles
PA_Big_31 - 120 triangles
PA_Big_311 - 152 triangles
PA_Big_32 - 124 triangles
PA_Big_321 - 182 triangles
PA_Big_33 - 108 triangles
PA_Big_34 - 72 triangles
PA_Big_35 - 300 triangles
PA_Big_36 - 140 triangles
PA_Big_37 - 872 triangles
PA_Big_38 - 192 triangles
PA_Big_4 - 168 triangles
PA_Big_5 - 212 triangles
PA_Big_6 - 526 triangles
PA_Big_7 - 812 triangles
PA_Big_8 - 384 triangles
PA_Big_9 - 740 triangles
PA_Big_Arch_11 - 64 triangles
PA_Big_Arch_12 - 614 triangles
PA_Big_Arch_21 - 108 triangles
PA_Big_Arch_22 - 890 triangles
PA_Big_Arch_31 - 116 triangles
PA_Big_Arch_32 - 728 triangles
PA_Big_Wall_1 - 690 triangles
PA_Big_Wall_2 - 532 triangles
PA_Big_Wall_3 - 588 triangles
PA_Big_Wall_4 - 684 triangles
PA_BigGathered_1 - 2064 triangles
PA_BigGathered_10 - 464 triangles
PA_BigGathered_11 - 28 triangles
PA_BigGathered_12 - 128 triangles
PA_BigGathered_13 - 80 triangles
PA_BigGathered_14 - 26 triangles
PA_BigGathered_15 - 1220 triangles
PA_BigGathered_16 - 2174 triangles
PA_BigGathered_17 - 964 triangles
PA_BigGathered_18 - 1170 triangles
PA_BigGathered_19 - 1088 triangles
PA_BigGathered_2 - 2304 triangles
PA_BigGathered_20 - 1328 triangles
PA_BigGathered_21 - 836 triangles
PA_BigGathered_22 - 1104 triangles
PA_BigGathered_23 - 1912 triangles
PA_BigGathered_24 - 170 triangles
PA_BigGathered_25 - 456 triangles
PA_BigGathered_26 - 2924 triangles
PA_BigGathered_27 - 2952 triangles
PA_BigGathered_28 - 4520 triangles
PA_BigGathered_29 - 4128 triangles
PA_BigGathered_3 - 5904 triangles
PA_BigGathered_30 - 2592 triangles
PA_BigGathered_31 - 1760 triangles
PA_BigGathered_32 - 2600 triangles
PA_BigGathered_33 - 2824 triangles
PA_BigGathered_34 - 1254 triangles
PA_BigGathered_341 - 594 triangles
PA_BigGathered_35 - 2584 triangles
PA_BigGathered_36 - 1296 triangles
PA_BigGathered_37 - 924 triangles
PA_BigGathered_38 - 1160 triangles
PA_BigGathered_381 - 624 triangles
PA_BigGathered_39 - 1492 triangles
PA_BigGathered_391 - 630 triangles
PA_BigGathered_4 - 532 triangles
PA_BigGathered_40 - 628 triangles
PA_BigGathered_41 - 1996 triangles
PA_BigGathered_42 - 1196 triangles
PA_BigGathered_43 - 3864 triangles
PA_BigGathered_4m - 532 triangles
PA_BigGathered_5 - 996 triangles
PA_BigGathered_5m - 996 triangles
PA_BigGathered_6 - 1736 triangles
PA_BigGathered_6m - 1736 triangles
PA_BigGathered_7 - 3286 triangles
PA_BigGathered_8 - 3036 triangles
PA_BigGathered_9 - 4184 triangles
PA_BigGathered_Arch_11 - 762 triangles
PA_BigGathered_Arch_12 - 1662 triangles
PA_BigGathered_Arch_21 - 746 triangles
PA_BigGathered_Arch_22 - 2802 triangles
PA_BigGathered_Arch_31 - 392 triangles
PA_BigGathered_Arch_32 - 1648 triangles
PA_BigGathered_Cage - 7930 triangles
PA_BigGathered_Wall_1 - 3666 triangles
PA_BigGathered_Wall_2 - 2820 triangles
PA_BigGathered_Wall_3 - 2932 triangles
PA_BigGathered_Wall_4 - 4780 triangles
PA_Detali_1 - 8 triangles
PA_Detali_10 - 130 triangles
PA_Detali_11 - 106 triangles
PA_Detali_12 - 116 triangles
PA_Detali_13 - 56 triangles
PA_Detali_14 - 56 triangles
PA_Detali_15 - 16 triangles
PA_Detali_16 - 142 triangles
PA_Detali_17 - 8 triangles
PA_Detali_17.001 - 14 triangles
PA_Detali_18 - 100 triangles
PA_Detali_19 - 38 triangles
PA_Detali_2 - 12 triangles
PA_Detali_20 - 14 triangles
PA_Detali_21 - 262 triangles
PA_Detali_22 - 12 triangles
PA_Detali_23 - 154 triangles
PA_Detali_24 - 508 triangles
PA_Detali_25 - 1152 triangles
PA_Detali_3 - 12 triangles
PA_Detali_4 - 12 triangles
PA_Detali_5 - 148 triangles
PA_Detali_6 - 46 triangles
PA_Detali_7 - 120 triangles
PA_Detali_8 - 56 triangles
PA_Detali_9 - 12 triangles
PA_Detali_Wind_11 - 116 triangles
PA_Detali_Wind_12 - 88 triangles
PA_Detali_Wind_13 - 660 triangles
PA_Detali_Wind_21 - 106 triangles
PA_Detali_Wind_21.001 - 116 triangles
PA_Detali_Wind_22 - 80 triangles
PA_Detali_Wind_22.001 - 88 triangles
PA_Detali_Wind_23 - 520 triangles
PA_Detali_Wind_23.001 - 596 triangles
PA_Detali_Wind_24 - 106 triangles
PADet.009 - 12 triangles