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Waves[]

The number of waves, and the enemies the player will encounter in each wave will depend on the player's level of advancement into the game.

  • Key
    Pre-Mechanical Boss (T1) Post-Mechanical Boss (T2) Post-Golem (T3)
    (T1) & (T2) (T2) & (T3) (T1) & (T3)
    (T1) & (T2) & (T3)
    Enemy Wave 1 Wave 2 Wave 3 Wave 4 Wave 5 Wave 6 Wave 7
    Etherian GoblinEtherian Goblin
    Etherian Goblin BomberEtherian Goblin Bomber
    Etherian Javelin ThrowerEtherian Javelin Thrower
    Etherian WyvernEtherian Wyvern
    Dark MageDark Mage
    KoboldKobold
    Etherian Lightning BugEtherian Lightning Bug
    DrakinDrakin
    Kobold GliderKobold Glider
    Wither BeastWither Beast
    OgreOgre
    BetsyBetsy
    Rewards: T1 10000*1 Defender Medal 10000*1 Defender Medal 30000*3 Defender Medal
    Rewards: T2 10000*1 Defender Medal 30000*3 Defender Medal 60000*6 Defender Medal 150000*15 Defender Medal
    Rewards: T3 10000*1 Defender Medal 30000*3 Defender Medal 110000*11 Defender Medal 250000*25 Defender Medal 600000*60 Defender Medal
  • A chart idea. – Ferretwings (talk) 04:42, 17 November 2016 (UTC)

    Nice work. I added it to the page. I'm not sure which is better, but keeping both up seems doable. Equazcion (talk) 17:45, 18 Nov 2016 (UTC)
    Thanks :) And 0icke0, thanks for your input, it's a definite improvement! :)
    I went ahead and collapsed the chart on this talk page, as the one on the main page looks so much better. ;) – Ferretwings (talk) 03:37, 20 November 2016 (UTC)

    Defeating the Mechanical Bosses in pre-Hardmode[]

    If a player defeats the Mechanical Bosses in pre-Hardmode, does that open up Tier 2? Or is Hardmode also a requirement? Under "normal" circumstances the Mechanical Bosses are fought in hardmode, but since they can be summoned manually in pre-hardmode, I was wondering if there was a Hardmode flag that needed to be activated for T2. – Ferretwings (talk) 16:56, 18 November 2016 (UTC)

    Orge and Mage treasure bags[]

    I ain't got any, but made it to the end of the event a lot of times. Have anyone ever saw them? 94.41.193.151 17:41, 19 November 2016 (UTC)

    The treasure bags are not in the game. That is the reason why they are not droppable (changed that on the pages of ogre and mage to unobtainable). Flisch42 (talk) 18:42, 19 November 2016 (UTC)

    Thorium Mod gives them treasure bags

    Alternate equipment chart[]

    Started this, not sure if it's any better though. Equazcion (talk) 01:35, 23 Nov 2016 (UTC)

    Class Tier 1 Tier 2 Tier 3
    Apprentice Flameburst RodFlameburst Rod Flameburst CaneFlameburst Cane Flameburst StaffFlameburst Staff
    no T1 armor Apprentice armorApprentice armor Dark Artist armorDark Artist armor
    no T1 weapon Tome of Infinite WisdomTome of Infinite Wisdom Betsy's WrathBetsy's Wrath
    no T1 accessory Accessory: Apprentice's ScarfApprentice's Scarf
    Huntress Explosive Trap RodExplosive Trap Rod Explosive Trap CaneExplosive Trap Cane Explosive Trap StaffExplosive Trap Staff
    no T1 armor Huntress armorHuntress armor Red Riding armorRed Riding armor
    no T1 weapon Phantom PhoenixPhantom Phoenix Aerial BaneAerial Bane
    no T1 accessory Accessory: Huntress's BucklerHuntress's Buckler
    Monk Lightning Aura RodLightning Aura Rod Lightning Aura CaneLightning Aura Cane Lightning Aura StaffLightning Aura Staff
    no T1 armor Monk armorMonk armor Shinobi Infiltrator armorShinobi Infiltrator armor
    no T1 weapon Ghastly GlaiveGhastly Glaive Sky Dragon's FurySky Dragon's Fury
    no T1 accessory Accessory: Monk's BeltMonk's Belt
    Monk Ballista RodBallista Rod Ballista CaneBallista Cane Ballista StaffBallista Staff
    no T1 armor Squire armorSquire armor Valhalla Knight armorValhalla Knight armor
    no T1 weapon Brand of the InfernoBrand of the Inferno Flying DragonFlying Dragon
    no T1 accessory Accessory: Squire's ShieldSquire's Shield

    Equazcion (talk) 01:35, 23 Nov 2016 (UTC)

    Cultist bug?[]

    I noticed that there is a bug with the event that sometimes the Lunatic Cultist spawns randomly during the event only signaled by a change in music and kills me if I try to protect the crystal or kill the crystal if I run away before chasing after me again.

    By the way, the last prism beam has no direct access to any of the Cultists so I couldn't have accidentally killed them. This bug only happens near the world edges. 180.157.24.27 11:01, 16 January 2017 (UTC)

    You might want to report that on the official forum. The developers most likely won't read these pages. 4e696e6a6f795844 (talk) 12:49, 16 January 2017 (UTC)

    Old ones army[]

    When is the old ones army event coming to xbox? 98.203.153.156 19:57, 24 February 2019 (UTC)Aiden

    When 1.3.4 is ported over to Xbox One. Date unknown. – Ferretwings (talk) 20:03, 24 February 2019 (UTC)

    1.3.4 xbox one has already passed because the current console (not old gen console) version is a PC 1.3.5.3 equivalent.

    Hardmode or not?[]

    It's not mentioned in any page of Old One's Army, not even in the guide section, whether or not this is a hardmode event. The main page says its a Pre-hardmode, but the guide menu says it's a Hardmode. this is really confusing! please fix this. — Preceding unsigned comment added by 103.224.161.163 at 20:19, 26 November 2019 (UTC)

    The standard that is assumed for virtually all entities in the game is that they are available pre-Hardmode (since that is also the standard in the game's source code, by the way). Things that only become available at some point in Hardmode are explicitly defined as Hardmode-exclusive. Therefore, if nothing in this regard is mentioned, the entity is already available in pre-Hardmode (and continues to be in Hardmode – unless stated otherwise – to be crystal clear).
    On this page (in the "Summoning" section), it is stated that the Tavernkeep NPC, who is necessary to initiate the event, starts spawning after the Eater of Worlds/Brain of Cthulhu has been defeated. I have moved this requirement up for better visibility (edit).
    What "guide menu" are you referring to? This navigational template? The link to the Old One's Army is in the "Event" section there; there is no separation of Hardmode-exclusive events there.
    Last but not least, please remember to sign your comments by typing four tildes at the end of your comment: ~~~~
    --Rye Greenwood (talk) 00:21, 27 November 2019 (UTC)

    It is a pre-hardmode event for T1 but hardmode may be required for T2 and T3.

    Master mode old ones army Tier 3[]

    I found tier 3 of old ones army impossible at the stage your supposed to fight it as either when you use ballista or spaced lightning aura neither of it will keep long egough to kill betsy i checked all Tips for it and all failed at wave 7 simply betsy doesnt seemed to follow me egough aND wyverns destroyed my crystal right when i got at least 50% hp down

    This was played as melee I found this event technically impossible to win as the flat stat increase makes both lightning aura as shinobi or ballista as Valhalla knight For sentry effectivenes work for the beggining but on final wave all fails not to mention Beetle armor it worked fine but i had no Egough DPS to defeat betsy Attempted more than 30 times and i deem this event impossible post Golem. Redybird (talk) 22:42, 20 June 2020 (UTC)

    Etherian Mana drops for T3?[]

    Currently the table seems to say that on T3, no EM drops at all until the last wave. I surely hope that's not the case! --MentalMouse42 (talk) 10:37, 3 September 2020 (UTC)

    1.4.4 ideas for this event[]

    1. Removing Etherian Mana as an item. Instead, it is a meter that only appears to the event. Killing the enemies will fill up the meter directly instead of dropping an item.

    2. The Infiniternia Crystal, which summons Old One's Army endless (and is not consumable). Each wave following the 7th wave will add one more enemy until every enemy that spawns during the event can spawn. At this wave(being the final one), a score system is used. The event ends when the crystal is destroyed. During the endless version, the player is passively inflicted with the etherian curse debuff, which has the effects of creative shock and decreases sentry damage by 50%. The Infiniternia Crystal is dropped by betsy during the regular Old One's Army.

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