My head can't keep up to so many new cards every episode and I can't understand reincarnation Link is it?

You can think as the re-link summon method.
Use the same link monster as material to re-summon itself.
[Salamang.s have secondary effect if using the card itself as material for link summon]

Soulburner introduction was quite awesome, but there really was little chill.

is it just me or is this too much dueling like we just finished an arc after 7 eps of dueling in row chill out of one ep atlest

Jojo is much worst when it come to chill. Enemy always appear everytime the food in front of them