The assigned combatant's HP and healing are increased by 8(16)%.
When the assigned combatant Draws for the first time each turn using an ability, +8(16)% Damage dealt by allies for 1 turn.
Errante Hurricane(4 EP):
Discard up to 3 cards, then Draw +1 cards equal to the number discarded.
Maximum Synergy. Cassius draws cards constantly via Shuffle and Joker. Nyx converts his first "Draw by Ability" each turn into a +8% team-wide damage buff. It’s the most consistent way to turn his support cycling into offensive pressure.
2) 4★ Arwen (ME4)
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The assigned combatant's HP and healing are increased by 8(12)%.
At the start of the turn, gain [Ponopoko's Cheer] equal to the number of enemies with attack intentions.
[Ponopoko's Cheer]: Incoming Damage is reduced by 10(20)%. Upon activation, remove Ponopoko's Cheer (stacks up to 3 times).
Pokopo ponpon! (3 EP):
Heal 200%. Apply 1 Damage Reduction.
Elite EHP. 20% Damage Reduction acts as a "Final Multiplier" for survival. It protects your HP pool from mid-turn enemy acts far better than Defense, which suffers from the 0.5x "Additional DEF" penalty.
3) 4★ Arwen (ME0)
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The assigned combatant's HP and healing are increased by 8(12)%.
At the start of the turn, gain [Ponopoko's Cheer] equal to the number of enemies with attack intentions.
[Ponopoko's Cheer]: Incoming Damage is reduced by 10(20)%. Upon activation, remove Ponopoko's Cheer (stacks up to 3 times).
Pokopo ponpon! (3 EP):
Heal 200%. Apply 1 Damage Reduction.
Reliable Safety. A lower-tier version of ME4 Arwen. It still provides a "Final Damage Reduction" layer, ensuring that enemy interruptions don't chip away at your HP.
4) 4★ Alyssa (ME4)
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The assigned combatant's Defense is increased by 12(24)%.
At the end of battle, recover 3(6)% Health.
Vitality Boosting Potion(2 EP):
Heal 100%. When in an Injured state, increase Healing Amount by 50%.1 Morale for 1 turn.
Stat Stick. Provides a massive boost to Defense. While it's less effective for shielding/healing due to the formula penalty, it provides high raw mitigation against standard physical hits.
5) 3★ Yvonne (ME4)
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The assigned combatant's Defense is increased by 8(16)%.
If the combatant ends the turn without using an attack card, Heal 30(60)% at the start of the next turn.
Consecration (2 EP):
Heal 100%. For 1 turn, gain 1 Fortitude.
Conditional Safety. The 60% heal is a great "reset" button, but it requires Cassius to skip attacking. This is a high opportunity cost since he wants to use his 0-cost Quest reward attacks to maintain tempo, or Dice Trick as finisher.
6) 5★ Noel (ME0)
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Increase Damage, Shield Gain, and Heal Amounts of the assigned Combatants Retain Cards by 15(30)%.
At the end of the turn, deal Fixed Damage to all enemies equal to 15(30)% for each Retained card of the assigned combatant.
+5% Damage for enemies with the Instinct attribute.
Legato of Faith(3 EP):
Heal 100%. Activate the Retain effect of all cards held by the assigned combatant.
Inefficient. Without Retain, you lose the 15% bonus to card effects and the end-of-turn Fixed Damage. You are left with only the +5% Instinct damage, making this a wasted slot for Cassius.
7) 4★ Alyssa (ME0)
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The assigned combatant's Defense is increased by 12(24)%.
At the end of battle, recover 3(6)% Health.
Vitality Boosting Potion(2 EP):
Heal 100%. When in an Injured state, increase Healing Amount by 50%.1 Morale for 1 turn.
Low Value. Provides the weakest defensive scaling in the list with no additional utility or damage reduction to protect your high-HP build.