Quantum's Take

Swamp Thing's kit makes it seem like he should be a damage-dealing warrior, but it turns out that his usefulness is more as a support to keep Constantine alive, who is your true win-condition for JLD. His ultimate and first basic skill will both reduce the enemy's current Energy, which will reduce the amount of times they can attack in battle. On top of that, Swamp Thing's [Swamp] ability will create an area of effect damage reduction zone, and he will summon it to start battle. His unique legacy piece Antler Crown is a must-use for him, too, because in addition to providing passive healing over time for the duration of battle, it will further limit your opponent by reducing their ATK and Crit Rate.

Damage Type

Spiritual

Sources where available

The Bleed (Limited)

RavenHrt's Transmute Priorities

Energy Gain Bonus, HP, S DEF

Recommended Legacy Pieces

Antler Crown

Duplication Mirror

Promethium Claws

Razor Rib Umbrella

Multiversal Force Upgrades

Vine Lash - Enhanced

Reduces cooldown of [Vine Lash].

Natural Remedy - Enhanced

Increases Swamp Thing's Spiritual DEF.

Swamp Surge - Enhanced

Increases Swamp Thing's Crit RES.

Ultimate

Overgrowth

Swamp Thing leaps into the air, dealing Spiritual DMG equal to [%] of his ATK to enemies in a circular area and reducing their current Energy by [%].

Global Skill

Green Whisper

Increases all Champions' Spiritual DEF by [%], with an additional [%] for [Warrior] Champions.

Skills

Vine Lash

Swamp Thing lashes out with his vines, dealing Spiritual DMG equal to [%] of his ATK to an enemy and reducing their current Energy by [%].

Natural Remedy

After the start of battle, Swamp Thing gains [%] Spiritual AMP every 5s, stacking up to 3 times.

Swamp Surge

At the start of battle, Swamp Thing summons [Swamp] for 10s. Its effect doubles if at least 3 [Justice League Dark] allies are present.