1. you c*ready buy some ninjas outright in various events. Usually they are sold as frags but you can buy enough frags for the full ninja if you want. If you want some SPECIFIC ninjas, ask for that. But as it stands, this suggestion means nothing as it already exist.

2. I believe the latter is coming (pull count) eventually? As for %... it's not really a % thing. It's just X pulls per rare/ultra rare, and each rare/ultra rare have the same %. So... you can do a reasonable estimation pretty easily.

3. Eh... sure... whatever... Barely have any impact...

4. On what? that's really arbitrary... and beggy....