Bows in RoT are using TQ staff template so technically it’s neither since TQ staff act similar to 2h ranged weapons (but do not currently share the same support as other 2h ranged weapons like xbows / guns).
Dedication and passion for D2, that’s all it took.
- Acts 1, 2 + Pandemonium event / Cow Level were done by 1 person (myself) within 1,5 years.
- Acts 3, 4, 5 were done in another 1,5 years by 3 people: myself, Zakknaphen and FluffyUnicorn.
- Original version of D2 classes and unique/set items was made by DenisMashutikov
So all of the “original D2 content” was made by 4 people in 3 years.
Most of the current devs joined after D2 content has been already done.