The Lord of the Rings: Barad-dûr

What there is most of

• Brick Special 1 x 2 with Grille · Black×172
• Plate 1 x 2 · Black×97
• Plate 1 x 2 · Dark Bluish Gray×95
• Plate Special 1 x 1 with Tooth · Black×68
• Tile 1 x 4 with Groove · Trans-Orange×63
• Brick Curved 3 x 2 No Studs · Black×62
• Plate 1 x 1 · Black×61
• Brick Sloped 30° 1 x 2 x 2/3 · Dark Brown×59
• Plate 1 x 2 · Reddish Brown×58
• Plate 1 x 4 · Black×58
• Brick 1 x 3 · Dark Bluish Gray×56
• Plate Round 1 x 1 with Open Stud · Reddish Brown×55
• Brick Special 1 x 1 x 1 2/3 with Studs on 1 Side · Dark Bluish Gray×50
• Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) · Black×49
• Brick Curved 2 x 1 No Studs [1/2 Bow] · Trans-Yellow×48
• Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) · Medium Nougat×46
• Brick 1 x 2 · Dark Bluish Gray×45
• Tile Special 1 x 2 Grille with Bottom Groove · Black×44
• Plate 1 x 1 · Dark Bluish Gray×43
• Plate 2 x 2 · Black×43

The twenty most numerous parts, longest bar first. Start a checklist to see all the part types and tick them off as you find them.