BEST Y LEVEL FOR LAPIS LAZULI IN 1.18 – Bedrock and Java edition – 1156 lapis lazuli per hour
It is most common around level 0 and becomes less common towards either end of the range. The second batch attempts to generate 4 times per chunk, in blobs of 0-10, evenly from levels -64 to 64. Lapis lazuli ore in this second batch cannot be exposed to air; any ore blocks that would generate exposed do not generate.