If you're relying on blocks and parrying melee, you should do 2 HP 1 Stam.

If you're relying on dodging and pure DPS, you should do 2 stam 1 HP

If you're doing an Eitr build, but have under 75 Blood Magic, you should be using 2 Eitr 1 HP

If you're doing an Eitr Build and have over 75 Blood magic, you can do 1 Eitr, 1HP and 1 Stamina.

If you're an absolute unit and really good with Barrier uptime, you can do 2 Eitr and 1 Stamina.

If you're fishing, do 3 Stamina

If you're leveling block, do 3 HP