NEW RSL: the 2 new boss of the Doom Tower

The new Doom Tower bosss:

(I translated all the spells in the new boss + added images). This gives an idea of each spell.

Iragoth:

A1 – Storm of Spikes

Attack all enemies. Places a [Block Skill Times] debuff for 1 turn.

A2 – Spirit Rush CD – 3

Attack all enemies. Deals bonus damage for each remaining turn on enemy skill cooldown (+20% damage for each remaining turn). Places a [Fear] debuff on enemies that have no cooldown skills.

A3 – Soul Burst CD – 3

Attack all enemies. Cooldowns all enemy skills.
Fills [Iragoth]'s turn meter by 5% for each turn remaining on all enemy skill cooldowns.

A4 – Conjure Souls [P] CD – 5

Summon three minions at the start of the turn: one [Eternal Priest] then two [Eternal Guards].
Iragoth can have a maximum of 3 minions in combat at the same time.
Grants an [Eternal Rage] buff to [Iragoth] for 2 turns if only one minion is summoned or if no minions are summoned by this skill.
This buff cannot be removed or blocked.
[Eternal Rage] buff increases [Iragoth]'s Speed and causes [Iragoth] to ignore the effects of [Unkillable],
Block Damage], [Shield] and ignores 50% of the target's DEF when attacking.

The servants: (exit at the bottom of the page)

Illustration of the eternal priest — Illustration for our article: ”NEW RSL: the two new bosss from Doom Tower,” which will introduce you to the two new bosss from Doom Tower.

Illustration of the eternal guard — Illustration for our article: ”NEW RSL: the two new bosss from Doom Tower,” which will introduce you to the two new bosss from Doom Tower.

A5 – Consume Soul [P] CD – 5

At start of turn, sacrifice [Eternal Priest], reset [Iragoth] skill cooldown,
and grants an extra turn.
If there are no [Eternal Priests] on the team, sacrifice an [Eternal Guard] and heal [Iragoth] of
15% from [Iragoth's] MAX HP.
This skill has a cooldown of 4 turns at the start of the battle, and activates and recharges every 5 turns even if it is not used, even if there are no [Eternal Priests] or [Eternal Guards] in the team.

A6 – Passive: Omnipotent Immunity

Immune to [Stun], [Freeze], [Sleep], [Provoke], [Fear] and [Absolute Fear] debuffs. Also immune to health swapping, health balancing, and cooldown increasing effects.

*Not immune to cooldown increase effects.

A 7 – Passive: Terrible Force

Skill damage based on enemy's MAX HP cannot exceed 10% of boss's MAX HP when attacking boss.

Master Iragoth, the Eternal Dragon: This boss is formidable because it uses your own recharge times against you. In this video, I'll show you how to deal with his henchmen, why the Attack Reduction is compulsory, and I'd like to introduce you to a team capable of passing floor 120 in Difficult. An indispensable visual guide to combat timing!

Explanatory video in French by Alucare, ideal complement to the page. View video (you can use YouTube's automatic translation)

Grythion:

A1 – Shock wave

Attack 1 enemy. Has a 100% chance of inflicting a [Fear] debuff for 1 turn.

A2 – Rock Smash CD – 3

Transfers all [Grythion] debuffs to each enemy, then attacks all enemies. Fills [Grythion]'s Turn Meter by 5% for each debuff transferred.

A3 – Mortal Flurry CD – 3

Removes all buffs from all enemies, then attacks all enemies.
It is impossible to resist the removal of buffs. Damage increases by 10% for each buff removed.

A4 – Divine Strike [P]

Attacks an enemy when their HP drops below 50%. This attack places a [Heal Reduction
Reduction] of 100% for 2 turns.

A5 – Celestial Link [P]

Adds a [Celestial Bond] buff to [Grythion] at the start of each turn. Also adds a [Heavenly Bond] buff to
to [Grythion] when an enemy's HP drops below 50%.
Each [Celestial Bond] buff increases [Grythion]'s ATK by 5%; C.RATE of 3%; C.DMG of 5%; SPD
of 2.5 %.
Ignores [Shield], [Damage Blocked] and [Unkillable] buffs when [Grythion] has at least 10 [Celestial Bond] buffs.
Bond] or more.
Can stack up to 20 [Sky Bond] buffs. [Sky Bond] buffs cannot be blocked or removed.

A6 – Fair winds [P]

Each time [Grythion]'s turn counter is reduced, all enemies' turn counter is reduced by the same amount.
Places a [Stun] debuff for 1 turn on enemies whose turn counter is completely reduced.
Each time an enemy's turn meter is filled, [Grythion]'s turn meter is filled accordingly.
Turn counter increases are counted individually for each enemy and therefore added to the total.

A7 – Passive: Omnipotent Immunity

Immune to [Stun], [Freeze], [Sleep], [Taunt], [Skill Cooldown Block], [Fear] and [Absolute Fear] debuffs. Also immune to health swapping, health balancing, and cooldown increasing effects.

A8 – Almighty Tolerance [P]

Decreases damage taken from [Poison] type debuffs by 90%.

A9 – Passive: Terrible Force

Skill damage based on enemy's MAX HP cannot exceed 10% of boss's MAX HP when attacking boss.

A10 – Passive: Terrible Tenacity

All Turn Counter reduction effects are reduced by 50% when used against the boss.

The servers :

Eternal Priest:

A1 – Lightning Strike

Attack 1 enemy. Places the [Skill Cooldown Block] debuff for 2 turns.

A2 – Unbound Souls [P]

Resets the cooldown of all enemy skills when this champion is killed by an enemy.

Eternal Guard:

A1 – Guard break

Attacks all enemies. Places a debuff of 60% [Decrease DEF] for 2 turns. Also places a debuff of [Provocation].
for 1 turn on enemies under the effect of [Block Cooldown Skills] spells.