Whats The Best Lightin Staff For RLB?

Lighting Erieon +8
Elixir +8
Chaotic Staff +7
Elysium +7

im wondering cause idk if i should stick with my elixir
or trade the elixir and 200m for le +8

or sell elixir for money and buy elysium or chaotic

i also have 5 gbs

and btw my equips are:

Shell +7 [ Will get soon ]
White Sliver Earing +0 x2
Rom +0 x2
Rol +0 x1
Skeleton Belt +0
Ep +0
Elixir +8