Here is the full list of all 20 Lareissa Everbright achievements.
Break your first equipment.
Deal 250 damage with the pole axe in a single playthrough.
Successfully inflict stun 3 times in a row with morningstar.
Get damaged by enemy revenge action while blocking with shield.
Defeat 3 or more enemies at once with claymore.
Attain victory by using the Everlustre's damaging action.
Heal with the crossbow's Holy Splinter while under 20 health.
Defeat 5 enemies from bleed damage.
Achieve a total of 200 bonus damage from buffs provided by the flag staff.
Heal for 60 health in one battle using the greataxe.
Remove 3 debuffs with one use of incense.
Defeat 4 bosses with the long sword in your combat inventory.
Remove both venom and bleed with one use of medicinal remedy.
Avoid 4 debuffs in the length of the recurve bow's Unparalleled Precision.
Survive a 50+ damage attack while unyielding is active.
Use Fatal Throw while the spear has 1 durability remaining.
Add 100 more wait time to enemies in one battle from applying the slow debuff.
Attain the BAD END
Attain the GOOD END
Attain the TRUE END