Knights Vow and Zeke's Harbinger build path and Harbinger Rework

New intermediate item plus a change up to Zeke's Harbinger. Thoughts?

Squire’s Oath (650g) Builds from: Cloth Armor (300g) + 350g

+15 Armor UNIQUE PASSIVE: If your Partner is nearby, gain 20 armor, and 15% bonus movement speed while moving toward them, increased to 30% if they are under 40% maximum health. UNIQUE ACTIVE: Designate an allied champion as your Partner (90 second cooldown).

Zeke’s Harbinger (?) Builds from : Squire’s Oath (650g) + Forbidden Idol (800g) + Faerie Charm (125g)

• 20 armor +100% base mana regeneration +10% cooldown reduction +8% bonus healing and shielding power. UNIQUE PASSIVE: If your Partner is nearby, gain 20 armor, and 15% bonus movement speed while moving toward them, increased to 30% if they are under 40% maximum health. Additionally, moving, attacking, and casting spells grants your partner Energized stacks. When fully Energized, their next 2 basic attacks deal 30 bonus magic damage and grant 100 Energized stacks. This may only happen once every 90 seconds. UNIQUE ACTIVE: Designate an allied champion as your Partner (90 second cooldown).

Knight’s Vow (?) Builds from: Squire’s Oath (650g) + Kindlegem (800g) + Rejuvenation Bead (150g)

+40 armor +400 health +10% cooldown reduction +100% base health regeneration UNIQUE PASSIVE: If your Partner is nearby, gain 20 armor, and 15% bonus movement speed while moving toward them, increased to 30% if they are under 40% maximum health. UNIQUE PASSIVE: While within a 1000 range of your Partner, heal for 12% of the damage your Partner deals to champions and redirect 12% of the damage your Partner takes from champions (after reductions) to you as true damage. Both effects are reduced to 6% if the item holder is ranged. UNIQUE ACTIVE: Designate an allied champion as your Partner (90 second cooldown).