Words that differ are marked on each side. Merlin in Companions and Merlin in AFK Arena have the full hero pages.
Destiny Foreseen
Level 1
AFK Arena · Lv 1
Merlin foresees impending danger, allowing him to reduce the damage received by himself and all allies by 25% for 8 seconds. While Merlin's premonition is still occurring, if an enemy that is symmetrically positioned uses their Ultimate skill, all allied heroes will receive a runic shield that has a value equal to 180% of their own max health, which exists for 5 seconds. While the shield exists it prevents enemy control effects and cannot be dispelled. If a premonition is still in effect when Merlin uses his Ultimate skill again, the duration of this skill shall be reset.
Companions · Lv 1
Merlin foresees impending danger, allowing him to reduce the damage received by himself and all allied units by 25% for 8 seconds. While Merlin's premonition is active, if the enemy hero directly opposite him uses their Ultimate, all allied heroes will gain a runic shield with a value equal to 150% of their own max health for 5 seconds. The shield also grants immunity to controls and cannot be dispelled. If a premonition is still active when Merlin uses his Ultimate again, the duration of this skill will be reset.
Level 2
AFK Arena · Lv 81
All damage received by allied heroes is reduced by 30% while Merlin's premonition is in effect.
Companions · Lv 81
While Merlin's premonition is active, damage received by all allied units is reduced by 35%.
Level 3
AFK Arena · Lv 161
All damage received by allied heroes is reduced by 35% while Merlin's premonition is in effect.
Companions · Lv 161
While Merlin's premonition is active, damage received by all allied units is reduced by 45%.
Magical Amelioration
Level 1
AFK Arena · Lv 11
Merlin calls upon the forces of magic to heal himself and his most injured ally for 4.5% max health per second over 8 seconds. 30% of all damage dealt to this injured ally during the healing period is borne by Merlin.
Companions · Lv 11
Merlin calls upon the forces of nature to heal himself and the allied hero with the lowest health percentage, restoring health equal to 4% of their max health per second for 8 seconds. For this duration, 40% of any damage dealt to the allied hero will be taken by Merlin.
Level 2 · unchanged
AFK Arena · Lv 21
Restores 5% of max health per second.
Companions · Lv 21
Restores 5% of max health per second.
Level 3
AFK Arena · Lv 101
Restores 5.5% of max health per second.
Companions · Lv 101
Restores 6% of max health per second.
Level 4
AFK Arena · Lv 181
Restores 6% of max health per second.
Companions · Lv 201
Restores 7% of max health per second.
Karmic Law
Level 1
AFK Arena · Lv 41
When Merlin is suffering from the effects of an enemy control skill, he dispels the majority of the negative effects currently affecting him and lets loose his Spirit Owl, who proceeds to imprison the source of the effect for 3 seconds, causing them to lose health equal to 150% of Merlin's Attack Rating every second. This skill cannot be dispelled. This skill can be triggered once every 8 seconds.
Companions · Lv 41
When Merlin suffers an enemy hero's control effect, he dispels most of the debuffs on himself and releases his Spirit Owl, which then Imprisons the attacker, inflicting health loss equal to 200% of Merlin's Attack Rating every second for 3 seconds. This effect cannot be dispelled. This skill can be triggered once every 8 seconds.
Level 2
AFK Arena · Lv 121
Inflicts health loss equal to 170% of Merlin's Attack Rating every second.
Companions · Lv 121
Inflicts health loss equal to 240% of Merlin's Attack Rating every second.
Level 3 · unchanged
AFK Arena · Lv 201
Skill can be triggered once every 6 seconds.
Companions · Lv 261
Skill can be triggered once every 6 seconds.
Level 4
AFK Arena · Lv 201, engraving 30
Inflicts health loss equal to 180% of Merlin's Attack Rating every second.
Companions · Lv 261, engraving 30
Unlocks Karmic Law's skill upgrade: Health loss per second is increased to 280% of Merlin's Attack Rating.
Guardian Owl
Level 1
AFK Arena · Lv 61
When Merlin suffers fatal damage for the first time he enters a spirit form and seeks refuge in his Spirit Owl. While in spirit form, Merlin protects his most injured ally, during which time both Merlin and the ally recover 10% max health per second over 7 seconds. When Merlin stops protecting his ally, he reappears in his original position. If the allied target dies while Merlin is protecting them, Merlin will prematurely reappear in his original position. This skill may only be used when there are surviving allies still on the battlefield.
Companions · Lv 61
When Merlin suffers fatal damage for the first time, he vanishes and is replaced by a spirit that protects the allied hero with the lowest health percentage. While this protection is active, both Merlin and the protected ally recover 12% of their max health per second for 7 seconds. When the protection ends, Merlin reappears in his original position. If the allied target dies during this protection, Merlin will instantly reappear in his original position. This skill can only be used while an allied hero survives on the battlefield.
Level 2
AFK Arena · Lv 141
Damage received by ally while Merlin is in spirit form is reduced by 30%.
Companions · Lv 141
For the duration of protection, the allied target takes 20% less damage.
Level 3 · unchanged
AFK Arena · Lv 221
Health recovery per second is increased to 15% of max health.
Companions · Lv 321
Health recovery per second is increased to 15% of max health.
Level 4
AFK Arena · Lv 221, engraving 60
Damage received by ally while Merlin is in spirit form is reduced by 40%.
Companions · Lv 321, Ascended 3-star, engraving 60
Unlocks Guardian Owl's skill upgrade: For the duration of protection, the allied target takes 40% less damage.
Furniture skills
AFK Arena unlocks these with 3 and 9 furniture. In Companions Merlin gets them through ascension instead.
Augury · unchanged
AFK Arena · 3/9 furniture
The duration of Destiny Foreseen is increased by 50%.
Companions · Ascended 1-star
The duration of Destiny Foreseen is increased by 50%.
Augury
AFK Arena · 9/9 furniture
Merlin can immediately use the skill "Destiny Foreseen" when he enters the battlefield.
Companions · Ascended 5-star
Merlin can use Destiny Foreseen immediately upon entering the battlefield.
Signature item: Destiny's Sight
Max level +50 in AFK Arena, +40 in Companions.
Skill level 1
AFK Arena · +0
While the skill "Magical Amelioration" is in effect, 10% of the damage dealt by the protected allied target is converted into health for both Merlin and the allied target.
Companions · +0
While Magical Amelioration is active, 10% of the damage dealt by the protected allied hero is converted into health for both Merlin and the allied hero.
Skill level 2
AFK Arena · +10
20% of the damage dealt by the protected allied target is converted into health for both Merlin and the allied target.
Companions · +10
20% of the damage dealt by the protected allied hero is converted into health for both Merlin and the allied hero.
Skill level 3
AFK Arena · +20
30% of the damage dealt by the protected allied target is converted into health for both Merlin and the allied target.
Companions · +20
30% of the damage dealt by the protected allied hero is converted into health for both Merlin and the allied hero.
Skill level 4
AFK Arena · +30
The amount of health Merlin loses as a result of taking damage for his ally when using the skill Magical Amelioration is reduced by 50%, and the skill now targets 2 allies.
Companions · +30
The amount of health Merlin loses from Magical Amelioration as a result of taking damage for his ally is reduced by 50%, and the skill now targets 2 allies.
Skill level 5
AFK Arena · +40
While Magical Amelioration is active, the amount of health Merlin loses from taking damage for an ally is reduced by 60%.
Companions
Not in this version
Engravings
Engraving 30
AFK Arena
Inflicts health loss equal to 180% of Merlin's Attack Rating every second.
Companions
Unlocks Karmic Law's skill upgrade: Health loss per second is increased to 280% of Merlin's Attack Rating.
Engraving 60
AFK Arena
Damage received by ally while Merlin is in spirit form is reduced by 40%.
Companions
Unlocks Guardian Owl's skill upgrade: For the duration of protection, the allied target takes 40% less damage.
Engraving 80 · unchanged
AFK Arena
Within Arena of Heroes, Legends' Challenger Tournament, Legends' Championship, Treasure Scramble, and Heroes of Esperia: Health +13.7%, Healing +6.67
Companions
Within Arena of Heroes, Legends' Challenger Tournament, Legends' Championship, Treasure Scramble, and Heroes of Esperia: Health +13.7%, Healing +6.67