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* {{i|Moving Box}}: Using the Glowing Hour Glass after retrieving it from Moving Box will not deplete its charge. Allows for infinite usage as long as Moving Box is fully charged. |
* {{i|Moving Box}}: Using the Glowing Hour Glass after retrieving it from Moving Box will not deplete its charge. Allows for infinite usage as long as Moving Box is fully charged. |
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* {{i|Saturnus}}: Using the Glowing Hourglass will activate the effect of Saturnus again, essentially allowing for double the amount of orbiting tears, if the player returns to a room, where the tears created by Saturnus were not destroyed. |
* {{i|Saturnus}}: Using the Glowing Hourglass will activate the effect of Saturnus again, essentially allowing for double the amount of orbiting tears, if the player returns to a room, where the tears created by Saturnus were not destroyed. |
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− | * {{i|Sharp Plug}}: Allows for infinite usage as long as you have more than {{dlc| |
+ | * {{i|Sharp Plug}}: Allows for infinite usage as long as you have more than 2 ({{dlc|r}} 1.5)) full hearts as the hearts used to charge will be refunded upon use. |
− | ** {{dlc|r}} Glowing Hour Glass will take 1.5 hearts to get recharged, so more than 1.5 hearts is required to recharge it. |
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*If you use Glowing Hour Glass to get back in time to previous room, each time you will use it without going to another room, i.e. in the same room, each use will multiply some familiars that persist through rooms by adding the previous number of permanent familiars that was in that room to your current. Some examples of familiars that can be multiplied: Blood Clots, blue flies and spiders, Abyss flies, friendly monsters spawned by items, mini-Isaacs spawned by Giant Cell and any form of Wisps. Wisps from Vengeful Spirit will react very unique, they are gonna be appearing at entrance of each room Isaac enters and shoot in the direction that Isaac currently shooting. The same reaction will be from wisps of Book of Virtues that exceeded the limit of 26 wisps. Lemegeton wisps, however, do not react this way and will still spin around Isaac even when they exceed they limit of 26 possible wisps, they are also will multiply only existing ones, which will allow to spawn a very high amount of the same item wisps. It seems like theres a limit to the amount of familiars that can be spawned that way, the familiars cannot overwrite themselves by multiplying. |
*If you use Glowing Hour Glass to get back in time to previous room, each time you will use it without going to another room, i.e. in the same room, each use will multiply some familiars that persist through rooms by adding the previous number of permanent familiars that was in that room to your current. Some examples of familiars that can be multiplied: Blood Clots, blue flies and spiders, Abyss flies, friendly monsters spawned by items, mini-Isaacs spawned by Giant Cell and any form of Wisps. Wisps from Vengeful Spirit will react very unique, they are gonna be appearing at entrance of each room Isaac enters and shoot in the direction that Isaac currently shooting. The same reaction will be from wisps of Book of Virtues that exceeded the limit of 26 wisps. Lemegeton wisps, however, do not react this way and will still spin around Isaac even when they exceed they limit of 26 possible wisps, they are also will multiply only existing ones, which will allow to spawn a very high amount of the same item wisps. It seems like theres a limit to the amount of familiars that can be spawned that way, the familiars cannot overwrite themselves by multiplying. |
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*{{t|Hairpin}}: If Hairpin is held while entering any Boss Room for the first time, Glowing Hourglass may be used indefinitely on said room to repeat the fight until you beat it. |
*{{t|Hairpin}}: If Hairpin is held while entering any Boss Room for the first time, Glowing Hourglass may be used indefinitely on said room to repeat the fight until you beat it. |
Revision as of 02:06, 7 June 2021
For the item with a similar name, see The Hourglass.
Glowing Hour Glass is an activated item added in The Binding of Isaac: Afterbirth.
Effect
- Upon usage, Isaac will be returned to the previous room and everything that happened in the current room will be undone.
- Health, bombs, coins, keys, cards/runes/pills, items, and trinkets will be restored.
- Certain consumables (such as the Joker) do not get restored.
- Score and Time will reset, but about one second will be spent in unskippable animation after use.
- Completion marks earned in the room will be removed.
- Event counters will get restored (including Donation Machines, Greed Donation Machines, and Eden's Blessing).
Notes
- Does not return extra lives.
- Using a Joker and then the Glowing Hour Glass to return does not guarantee a Devil Room for every floor as the Joker card does not get refunded. The reason for this is that you immediately change rooms after the Joker card is used, as such reverting to before it was used is impossible.
- Does not return health lost entering or leaving a Curse Room, as the health was lost in the previous room.
- Does not return keys or health used to enter special rooms.
- Does not preserve the Devil Room or Angel Room door if used to return to the Boss Room.
- Does not turn a character back into another should they have been revived by Ankh, Lazarus' Rags, or Judas' Shadow.
- Character changes are reverted by Glowing Hour Glass.
- Does not affect the chance for a portal to The Void to spawn (the portal will not spawn if it didn't spawn initially).
- Donations to the Donation Machine or Greed Machine are not reverted, and they can be reset into a working state once jammed.
- Other counters not tied to your specific run, such as Slot Machines or Tinted Rocks destroyed, continue to accumulate, allowing easy unlocking of secrets such as the Counterfeit Penny, the D4, and Conquest if you have access to infinite uses of the Glowing Hour Glass (see below).
- With the Curse of the Blind, Glowing Hour Glass can be used to pick up or purchase an unknown item to see what it is, then decide whether or not to undo picking it up.
- Using the Glowing Hour Glass to prevent picking the Glowing Hour Glass up while previously having had an active item will return the active item and discharge it completely.
- No Damage Achievements are still available if the Glowing Hour Glass is used to reset damage.
- Isaac's temporary familiars (Blue Flies and Spiders) duplicate when using the Glowing Hour Glass.
- If combined with The Battery or Sharp Plug while Blue Spiders are present, this combo can generate an infinite army of Blue Spiders.
- The Retro Vision Pill will continue to affect the game even after using the Glowing Hour Glass.
- Can be used to unlock multiple achievements tied to the killing of certain bosses such as Mom's Heart / It Lives.
- If there is a Lil' Battery in a Shop, the Glowing Hour Glass can be used infinitely, by entering the Shop without a charge and using the Lil' Battery to recharge and exit the shop. This is useful for duplicating temporary familiars or filling up the Donation Machine, among other uses.
- Using the Glowing Hour Glass right after beating Mom's Heart / It Lives / Ultra Greed allows you to get additional Eden tokens.
- If a new game is started and Eden begins with this item, using it in the first room will cause the game to crash.
- Does not remove collection page entries if it undoes collecting an item for the first time.
- Using the Glowing Hour Glass after beating Mom's Heart in Mausoleum/Gehenna II will transport the player to the previous room without the Knife Pieces, but the door to Mom's Heart will also be closed. The following floor will be Womb/Utero/Scarred Womb and not Corpse.
- Using the Glowing Hour Glass after entering a new floor will teleport you back to the boss room of the previous floor.
- Bethany's soul heart container does not get reset upon activating this item.
- If Tainted Jacob is hit by Esau, using the Glowing Hour Glass will return him to normal form in the previous room.
- Does preserve 100% angel room chance if used after entering the first devil room.
- If used during the Beast fight will teleport Isaac to the center room and have no further effect.
- May be helpful for finding planetariums, as it lets you effectively skip item rooms while also seeing if what's inside them is worth taking.
- Returns the shield from the Wooden Cross / Holy Card if it was lost in a room.
Synergies
- ? Card: Allows for infinite usage as the ? Card gets refunded upon usage.
- 4.5 Volt: Allows for infinite usage in rooms where a lot of damage can be dealt, most notably boss rooms.
- 48 Hour Energy pill: Allows for infinite usage as the pill gets refunded upon use.
- 9 Volt: Clearing any room is enough to instantly recharge the hourglass, allowing infinite tries for best outcome.
- The Battery: When the item is double charged and used it will also refund the used extra charge bar, making it possible to use it endlessly.
- Bum Friend: Using the Glowing Hour Glass after the Bum Friend has picked up coins but before it has spawned pickups will restore the coins in the room but will still cause the Bum Friend to drop pickups. This can be used to repeatedly generate pickups from the same set of coins.
- Curse of the Tower: If used quickly after taking damage, Troll bombs will spawn in the previous room. If you have the Safety Scissors, these can be harvested as normal.
- Dark Bum: Using the Glowing Hour Glass after the Dark Bum has picked up hearts but before it has spawned Soul Hearts will restore the hearts in the room but will still cause the Dark Bum to drop Soul Hearts. This can be used to repeatedly generate Soul Hearts from the same set of hearts.
- Eraser/Error: The given collectible ("Glowing Hour Glass") does not exist.: Using Glowing Hourglass to return to the previous stage will keep the charge Eraser received from entering the next stage.
- Habit: Allows rooms to be repeated infinitely as long as Isaac has enough health to take two hits, which are refunded on use.
- Requires Isaac to have enough health to take three hits.
- More Options: If used after entering the Treasure Room for the first time, upon reentering the room, one item will have changed places and another will be new, effectively making More Options a choice of 3 items instead of 2. If used a second time, the items change back.
- Moving Box: Using the Glowing Hour Glass after retrieving it from Moving Box will not deplete its charge. Allows for infinite usage as long as Moving Box is fully charged.
- Saturnus: Using the Glowing Hourglass will activate the effect of Saturnus again, essentially allowing for double the amount of orbiting tears, if the player returns to a room, where the tears created by Saturnus were not destroyed.
- Sharp Plug: Allows for infinite usage as long as you have more than 2 ( 1.5)) full hearts as the hearts used to charge will be refunded upon use.
- If you use Glowing Hour Glass to get back in time to previous room, each time you will use it without going to another room, i.e. in the same room, each use will multiply some familiars that persist through rooms by adding the previous number of permanent familiars that was in that room to your current. Some examples of familiars that can be multiplied: Blood Clots, blue flies and spiders, Abyss flies, friendly monsters spawned by items, mini-Isaacs spawned by Giant Cell and any form of Wisps. Wisps from Vengeful Spirit will react very unique, they are gonna be appearing at entrance of each room Isaac enters and shoot in the direction that Isaac currently shooting. The same reaction will be from wisps of Book of Virtues that exceeded the limit of 26 wisps. Lemegeton wisps, however, do not react this way and will still spin around Isaac even when they exceed they limit of 26 possible wisps, they are also will multiply only existing ones, which will allow to spawn a very high amount of the same item wisps. It seems like theres a limit to the amount of familiars that can be spawned that way, the familiars cannot overwrite themselves by multiplying.
- Hairpin: If Hairpin is held while entering any Boss Room for the first time, Glowing Hourglass may be used indefinitely on said room to repeat the fight until you beat it.
- Only applies after Booster Pack 5.
Interactions
- Bag of Crafting: The bag's contents will be reverted to its previous state.
- Book of Virtues: Any wisps lost in the previous room will be restored, and an additional Glowing Hour Glass wisp will be added.
- Car Battery: No Effect.
- Void: It is impossible to absorb a Glowing Hour Glass pedestal without using the item and preventing it from having been absorbed.
- The Glowing Hour Glass is absorbed like normal. Subsequent uses of The Void send Isaac back to the previous room reverting most changes, nullifying many other effects that Void may have absorbed. Energy is still reset back to full upon each use, allowing for infinite re-tries of any room. This does, however, prevent you from consuming any further powers as you will instead reset the room.
In-game Footage
Trivia
- Prior to Booster Pack 5, Glowing Hour Glass would turn into The Hourglass after being used 5 times.
Seeds
PC NDJQ D4GT (First floor Treasure Room)
PC SRVZ MGKQ (First floor Shop, quarter in Treasure Room)
PC PFTJ B87Y (Second floor Shop for 7 cents)
PC 36WC YDYT (First floor Treasure Room)
XboxOne 07C6 H920 (Second floor Treasure Room)
PS4 3NBT BZ0W (Flooded Caves II Shop)
Switch YBW1 J3E0 (Eden Spawn)
Bugs
Bug! | Going back to a previous floor will cause some effects that were caused by going to the next floor to not be undone. |
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Bug! | Going back to a previous floor twice in a row will cause Lost Soul and Blood Oath to activate their effects an additional time on that floor. |
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The Binding of Isaac: Rebirth |
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