Critical is probably the way to go for an ELB. What ego are you going to get? If you're getting an ego that focuses on max damage you should probably get a critical back up, if you're getting a critical ego, get a max backup :P Although ELB specifically, yeah critical :)
124
Highest Critical Meles' Type Strengthening
60 / 12,000G Bow Tip Enhancement
16 / 2,000G Bow Tip Enhancement
16 / 2,000G Bow Tip Enhancement
16 / 2,000G Bow Tip Enhancement
16 / 2,000G Attack 6-20
Critical 46%
Balance 30%
Injury Rate 25~100%
124 / 20,000G
Elven Long Bow Upgrade Sequences