That's great! Thank you for sharing your experience.

There are many strategies for building muscle and the key is building total volume. Here are a couple of articles you may find beneficial.

https://betterhumans.pub/when-should-you-train-to-failure-to-build-muscle-679f339e04ca

https://betterhumans.pub/high-load-vs-high-reps-which-is-better-for-building-muscle-eff92137046c

https://medium.com/in-fitness-and-in-health/there-is-no-magical-muscle-building-rep-zone-248de33c5cf3