View source for Early Ice Beam

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    <td><strong>Rooms Traversed</br>In This Wallcrawl</strong></td>
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    <td>[[Gathering Hall (Chozo Ruins)|Gathering Hall]] (start)</br>[[East Atrium]]</br>[[Energy Core Access]]</br>[[Energy Core]]</br>[[West Furnace Access]]</br>[[Furnace]]</br>[[East Furnace Access]]</br>[[Hall of the Elders]]</br>[[Reflecting Pool Access]] (end)</td>
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</table>'''Ice Beam Before Flaahgra''' ('''IBBF''') is a trick in [[Metroid Prime]] that allows for the [[Ice Beam]] to be acquired immediately after getting the [[Morph Ball Bomb|Morph Ball Bombs]] in most speedrun routes. It is a lengthy wallcrawl that traverses a lot of rooms, but it avoids having to do the puzzle in [[Energy Core]] and skips needing to have [[Wave Beam]] to go to the far region of Chozo. Depending on the route, it can also be counterintuitively referred to as '''IBBFAF''' ('''Ice Beam Before Flaahgra After Flaahgra'''), as some routes incorporate this wallcrawl after defeating [[Flaahgra]].
==Usage in Speedruns==
TODO: Redo this entire section
=== Any% ===
Used to avoid traveling through [[Crossway]] and enables skipping the [[Chozo Ghosts]] fight in [[Hall of the Elders]].

=== 100% ===
Used to obtain Ice Beam before fighting Flaahgra.

Performed immediately after collecting morph ball bombs.

Enabling exiting [[Research Core]] via the ice door after thermal visor and immediately collecting plasma beam.

=== Low% ===
While not currently used in RTA low% runs it does save time when executed optimally in a no-space-jump setting.

Used in the current low% TAS

{{#ev:youtube|https://www.youtube.com/watch?v=ZYRCdEJdK_o}}

==IBBF Room by Room Guide (GC)==
===Gathering Hall===
===East Atrium===
===Energy Core Access===
===Energy Core===
===West Furnace Access===
===Furnace===
Once you have transitioned into this room, you can choose one of three paths depending on your preference: Left side, right side, or bottom.

TODO: Attach image showing East Furnace Access load trigger
====Left Side====
Wallcrawling using the left side of the room is the fastest way of traversing this room out of bounds, and is the most common method for top-level speedruns. However, it is also the most complex and difficult of the three methods, and the most prone to failure if you don't have the proper experience.
{{#ev:youtube|https://www.youtube.com/watch?v=SvDr8e0r4II}}
====Right Side====
====Bottom====
====Left/Right Side Comparison by East====
The video below compares various strategies for both the left and right sides of the room.
{{#ev:youtube|https://www.youtube.com/watch?v=Rdf67CVohOQ}}

===East Furnace Access===
{{#ev:youtube|https://www.youtube.com/watch?v=VITOvJoxi2M}}
===Hall of the Elders===
===Reflecting Pool Access===

==IBBF Room by Room Guide (Wii)==