Theimios the Everdrinker is a Legendary Support champion from the Argonites faction, offered through a traditional fusion in Raid: Shadow Legends that runs from September 21 through October 6, 2026. Completing it means grinding out a full chain of champions rather than collecting fragments, so your account’s resource stockpile decides whether the whole thing is even possible.
Quick answer: A free-to-play account can complete the Theimios fusion only if it is mid-to-late game with saved energy, silver, and shards. Brand-new accounts cannot reliably clear the summon-heavy stages without spending. The event ends October 6.
Theimios fusion requirements and schedule
This is a traditional fusion, which means no fragments. You collect 16 Rare champions from the event, fuse them into 4 Epics, then fuse those Epics into Theimios the Everdrinker. The portal shows the running totals as Rares Available 0/16 and the Epic tier as you progress.
- Gather 16 Rare fusion champions across the listed events and tournaments.
- Fuse them into 4 Epic champions.
- Fuse the 4 Epics into Theimios the Everdrinker before the window closes.
The calendar spans a wide mix of activities, including the Ice Golem, Spider, Fire Knight, Dragon, and Champion Chase tournaments, plus Gear Hunters, Gear Enhancement, Champion Training, Classic Arena Takedown, and a Summon Rush. The Summon Rush and Champion Chase are the two heaviest requirements because they demand large numbers of shards and pulls.
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Theimios is built around Poison. His kit strips buffs, layers Poison debuffs, protects himself with a scaling Shield, and turns enemy Poison stacks into personal evasion. His base 5-star, Level 1 numbers are below.
| Stat | Value |
|---|---|
| HP | 6,780 |
| ATK | 452 |
| DEF | 524 |
| SPD | 102 |
| C. RATE | 15% |
| C. DMG | 50% |
| RES | 30 |
| ACC | 0 |

A1: Don’t Be Boring!
Attacks all enemies twice, with each hit carrying a 15% chance to apply a Provoke debuff for 1 turn. Fully booked, that per-hit chance climbs to 40%, so across the two hits the cumulative chance to Provoke a single target reaches roughly 80%. Damage scales off ATK.
A2: What’s Your Poison?
An AoE hit with a 75% base chance (100% booked) to remove all buffs from every enemy, then a 75% chance to place three 5% Poison debuffs for 2 turns. It also gives Theimios a Shield worth 10% of his Max HP, plus an extra 5% for every debuff this skill fails to place, stacking up to 50%. The cooldown starts at 5 turns and drops to 3 when fully booked.

A3: Potent Libation
For 2 turns, all allies other than himself receive a 50% Increase Accuracy buff and Perfect Veil. He gains 50% Increase Accuracy for 3 turns, then takes an extra turn immediately. This skill has a 6-turn cooldown, reduced to 4 turns when booked.
Passive: Life Of The Party
Unlocks at Ascension Level 3. Theimios has a base 15% chance to Evade an enemy skill and everything attached to it. That chance rises by 5% for each Poison debuff active on the enemy team, capping at 65%. When he Evades, he instantly triggers one tick of every Poison on the attacker. If he does not Evade an incoming skill, he instead extends all Poisons on that attacker by 1 turn.

Poison synergies that make Theimios work
Theimios wants Poison on the board, so his value depends heavily on the champions beside him. Pairing him with dedicated Poison applicators keeps his passive near its 65% Evade cap and keeps the retaliatory Poison ticks firing.
- Kael, a reliable early-game Poison source many accounts already own.
- Venomage, for stacking additional Poison debuffs.
- Narma the Returned, a strong Poison partner on developed rosters.
- Glorious Pallas, for Argonites faction synergy.
Can F2P complete the Theimios fusion?
The answer splits sharply by account age. A brand-new free-to-play account, roughly four or five days old and still farming fodder on early Campaign stages, does not have the energy, silver, or shard reserves to clear the Summon Rush and Champion Chase without heavy spending. A mid-to-late game account that has been saving resources between fusions can complete it reliably.
The core of a successful free-to-play run is hoarding. Save energy potions, silver, and shards between events, and lean on Clan Boss for a steady flow of shards. The most efficient stretches of any fusion calendar are the days where multiple events and tournaments overlap, letting the same gameplay feed several progress bars at once.

Look for the overlap days. When a dungeon tournament lines up with a Gear Hunters event and a Gear Enhancement event, one focused farming session pushes all three at the same time. Planning your energy around those stacked days is what makes the resource-heavy fusions achievable without spending.

The heaviest resource drains are the tournament and summon days, which can call for thousands of energy and tens of millions of silver on a single date. If you are short on any resource, those are the stages to prepare for first.

The reliable free-to-play benchmark is consistent Clan Boss top chests. Players who can down Nightmare and Ultra Nightmare Clan Boss earn enough shards to fund most fusions, which is the difference between finishing Theimios and stalling out on the summon stages.
Fusion Tokens and past fusion champions
Progress toward Theimios also earns Fusion Tokens. Through the Change Champion menu in the Summoning Portal, those tokens can be spent to redeem past fusion champions instead of, or in addition to, the current target. That gives you a fallback if Theimios does not fit your roster.
- Gnut, a Legendary dwarf built for boss damage.
- Armanz the Magnificent, a Legendary Barbarian focused on PvP control.
You will know the fusion worked when Theimios appears in your Champion Vault after the final fuse, with the fusion portal marking the objective as complete. Theimios rewards accounts that already run Poison teams and have the resources banked to clear the calendar. On a fresh free-to-play account, hold your shards, focus on Clan Boss, and treat this fusion as a target for a future cycle rather than one to force through now.





