Upgrades
Upgrades in CrossWorlds unlock new abilities and menus for players to use. Official CrossWorlds upgrades come with fancy upgrade platforms and flashy effect sequences. Lea receives several of her upgrades unofficially from Sergey, which lack the effects, showing that this is purely cosmetic. Sergey also uses special upgrades to hard-code Lea's speech module with new words.
The following table lists all upgrades in the typical order obtained. All upgrades are mandatory unless specifically specified otherwise.
| Name | Purpose | How to Get | |
|---|---|---|---|
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Charge Mode | Unlocks the use of Charged Balls | Given by Sergey during the initiation sequence on the M.S. Solar |
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Dash | Unlocks the use of Dashing | Given by Sergey during Carla's obstacle course on the M.S. Solar |
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Melee | Unlocks the use of Melee | Given by Sergey during Carla's obstacle course on the M.S. Solar |
| New Word: Hi | Allows Lea to say "Hi" | Given by Sergey while on the M.S. Solar | |
| Guard | Unlocks the use of Guarding | Given by Sergey during Jet's training on the M.S. Solar | |
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Quickmenu | Unlocks the Quickmenu, with Use Item and Map submenus | Obtained while completing the Rhombus Dungeon |
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Character Menu | Unlocks the Character Menu, with Inventory, Equipment, Map and Options submenus | Obtained while completing the Rhombus Dungeon |
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Circuit | Unlocks the Circuit submenu | Obtained while completing the Rhombus Dungeon |
| New Word: Lea | Allows Lea to say "Lea" | Given by Sergey at the end of the Rhombus Dungeon | |
|
 Disc of Insight
|
Unlocks the Synopsis submenu | Obtained during the Rookie Harbor initiation |
| Disc of Flora
|
Unlocks the Botanics submenu | Optional; obtained when starting the Crocus Pocus quest | |
| New Word: Bye | Allows Lea to say "Bye" | Obtained after the first fight with Apollo | |
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Heat | Unlocks the use of the Heat element | Obtained after defeating the Infected Digmo |
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Blue Ice Shade
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Unlocks level 2 Neutral Combat Arts | Obtained after completing the Temple Mine |
| New Word: Why | Allows Lea to say "Why" | Obtained from Sergey after the Temple Mine | |
| New Word: How | Allows Lea to say "How" | Obtained from Sergey after the Temple Mine | |
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Cold | Unlocks the use of the Cold element | Obtained after defeating the Pinzo'jrahrrrn |
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Red Flame Shade
|
Unlocks level 2 Elemental Combat Arts | Obtained after completing the Faj'ro Temple |
| SP Bar extended | Increases Lea's SP bar to 2 default, 8 maximum | Obtained after completing the Faj'ro Temple | |
| New Word: Wait | Allows Lea to say "Wait" | Obtained from Sergey after the Faj'ro Temple | |
| New Word: Sorry | Allows Lea to say "Sorry" | Obtained from Sergey after reconciling with Emilie in Gaia's Garden | |
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Shock | Unlocks the use of the Shock element | Obtained near the end of the So'najiz Temple |
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Wave | Unlocks the use of the Wave element | Obtained near the end of the Zir'vitar Temple |
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Star Shade
|
Unlocks level 3 Combat Arts | Obtained after completing the Grand Krys'kajo |
| SP Bar extended | Increases Lea's SP bar to 3 default, 12 maximum | Obtained after completing the Grand Krys'kajo | |
| New Word: Meet | Allows Lea to say "Meet" | Obtained from Sergey while planning the Vermillion Raid | |
| New Word: Thanks | Allows Lea to say "Thanks" | Obtained from Sergey while planning the Vermillion Raid | |
| New Word: What | Allows Lea to say "What" | Obtained from Sergey before the Para Island raid (A New Home DLC) | |
| New Word: Who | Allows Lea to say "Who" | Obtained from Sergey before the Para Island raid (A New Home DLC) | |
| New Word: Where | Allows Lea to say "Where" | Obtained from Sergey before the Para Island raid (A New Home DLC) | |
| SP Bar extended | Increases Lea's SP bar to 4 default, 16 maximum | Obtained at the end of Azure Archipelago (A New Home DLC) |