Hello TruMediaMix1
I checked your guide and I have to admit. I like it a lot. I like How it looks - It is just so bright, and glowy and colorfull and overall pretty good looking. The guide is very informative, the build is OK (except the Guardian - I just don't think it is better then Summon Aery) and I found only a single coding mistake. In Pros and Cons you wrote Starfall instead of Starcall (TBH I did the same mistake too when I started with my Soraka guide so it made me laugh a little bit :D). +1 from me without a doubt.

BUILD

Exhaust is alright, but I'd add Barrier and maybe Heal/Ignite as alternatives in the guide. I think Barrier is the best spell though.

I wouldn't take Guardian on Soraka. If you have a shield or heal then Aery is almost always the best choice, and it is on Soraka IMO. You probably opt for Guardian because she's too squishy, and you're right she is. But Aery + playing safely is the better option. I think you should take Sorcery + Resolve (for more tankiness) or Inspiration (for pots and CDR). If you want to keep Sorcery as only secondary I would get rid of Gathering Storm, it's not super useful since games rarely go on very long.

Skipping Ardent and Redemption is a big mistake, I think you should build those every game. You can opt out of Ardent if you have nobody who is AS-based on your team, but I think that's a rare case. [...] I see now you placed it somewhat low in the build? It's a litle confusing to have such a long cheat sheet and I think you'd do good to shorten it quite a bit: Starting items - Early Game / First Back - Core - Finishing Items - Example build. But it seems like you consider Ardent and Redempt. just options, and I think they are definitely core. edit: In your Spellthief's starting item thing you have Oracle's Lens as your trinket instead of Warding Totem; you can't get Lens unless you're level 9. Also I'd remove Deathcap and Warmog's from either "typical" cheatsheet. These are pretty situational last items, most games you wouldn't spend ~6k+ gold to get those items.

W max is alright but I'd at least add the other options in the guide later, E max and EW mix-max.


GUIDE

I suggest this site for finding colours that are nicer than the MOBAFire default. You should try to pick out colours that complement each-other making the guide nice and coordinated. The hot pink and purple for example don't feel very pleasing to look at IMO. Also avoid stark colours like hot pink, red and cyan for larger pieces of text.

You can increase the size of text with the code [size=4][/size] it goes from 1 to 7 in ascending order. I'd enlarge the mini headers like Pros, Cons, Starting items etc.

Be sure to place two spaces (as in two "Enter"s) between all the columns and dividers if that makes sense. So it should say Starting Items then a divider below, then two spaces, then Spellthief's Edge + description, then two spaces, then Ancient Coin, then two spaces afterwards.

I saw in discord that you would update it with more info later so I won't say anything about the amount of content, but just in case you're stuck here are some suggestions for new chapters: Runes, Abilities, Ability Sequence, Early Game, Team-fighting, Warding maybe. ADC synergy if you feel like it.


CONCLUSION

Nice start to the guide, would love to see it get even better. Hope you find the comment a bit helpful, and take no offence as I didn't mean for anything here to sound anything other than friendly constructive criticism! Have a nice day :)

Found a humiliating typo in the changelog before anyone told me. I got the date wrong.

This guide was originally going to be updated late last month, but I almost burned myself out trying to do so.

In the meantime, I plan on further updating this guide in the future to go further in-depth in regards to team composition, etc. For now though, I need a break. Making these guides can be exhausting at times.