Lab Research Priorities
This is pretty close to optimal, but YMMV.
Highest
These are cheap and effective. We prioritize Shooter ATK for AOE damage.
All ATK100/500
All HP100/500
Shooter ATK&HP500/2000
All ADD DMG250/500
All CRIT Rate250/500
High
We max out CRIT Rate and ADD DMG early, because they can make a huge difference in clearing Stage 23.
All ATK300/500
All HP300/500
Shooter ATK&HP1000/2000
All ADD DMG500/500
All CRIT Rate500/500
All CRIT Resist250/500
All DMG Resist250/500
Medium
We get our frontliners some extra HP and add damage mitigation.
Attacker ATK&HP1000/2000
All ATK500/500
All HP500/500
All CRIT DMG250/500
Tanker ATK&HP1000/2000
Shooter ATK&HP2000/2000
All CRIT Resist500/500
All DMG Resist500/500
Low
Max out our important stats.
All CRIT DMG500/500
All ATK Speed500/500
Tanker ATK&HP2000/2000
Supporter ATK&HP500/2000
Attacker ATK&HP2000/2000
Lowest
These have minimal impact and can be saved for last.
All Mag Def500/500
All Phy Def500/500
Supporter ATK&HP2000/2000
All DEF Pierce500/500