I have both pets.
According to the tooltip at 250 int, 0 charisma, Leprechan gives 21% damage to weapons and 10% boost to spells. With 4/3 for magic weapons, this becomes 28% to weapons and 10% to spells. Poelala gives 28.8% weapon dmg and 10.8 spell damage.
As such, for 0 CHA characters, Poelala is always better. However, if you have any form of charisma, Lepre-chan is better. Though that being said, Poelala can also keep scaling with int, though more slowly than Leprechan with Charisma. Based on the tool tip, Poelala seems to stop scaling with int after you reach 398 int (tested based on tooltip values by equipping int boost items and Arcane Amplification).I'm not sure if it actually stops scaling or if it's just a tooltip issue. BTW, this also implies that if you are buffed by both Arcane Amplification and Celtic Wheel, Int boosting items like Amulet of Drakonnan are significantly weaker than Blood Contract for increasing your damage, though it does give you some extra bth.
< Message edited by lolerster -- 8/23/2019 21:10:05 >