Jack

Name: Jack
Type: Scythe
Size: Large
Alignment: Dark, Plant
Enchants / Abilities Black Mage - The scythe doubles as a magical staff to channel magic with. While using the synthesis item, spells cast have their cost reduced by 20 MP.
Darwin Blade - The scythe's blade may have its size and shape altered passively. It cannot exceed twice its size. The density scales.
Mother Nature's Weave - The scythe can be used to channel nature and give birth to Nature, as well as take life from it.
Lightslayer - Attacks against light-aligned beings apply their damage a second time.
Seeker's Staff - The scythe's blade is coated in a blackened poison, dealing extreme amounts of damage for 2 posts after each hit, 4 posts for Light-Aligned beings.
Notable Information: Appearance

No free t5
Heartless

Could I use the staff as a staff of summoning to bring out an NPC heartless of a lower tier? Not a completely new heartless, but a pre-existing canon one?

Since heartless are capable of this already I'm going to have say no

changed 5th