My guess is that since it gave you the battle buff for 8 minutes whenever you used it (making the battle potion obsolete) and reset the timer on the buff if used again Sam considered it OP and removed it.
Why not make a hurricane in a bottle? It would have the same animation as a cthulunado (giant tornados created by duke fishron) and allows you ride it for 15 seconds and you could make the balloon version and add it to the giant weighted honey balloon bundle
Before zoodle or sapharan answer here is my theory: it spawns the guide when dead or it lets you have the guide's ability to have a sort of crafting guide
P.S I am glad to see this mod updated I have not been on the forums lately and I can't wait for what you guys have planned for HM
I also have had this problem but it is not glitched you have to cancel the buff to return to normal and when you open your inventory it covers your current buffs and debuffs making it impossible to cancel the buff s because since your a ghost the game thinks your charcter is dead so you can not...
You can't rush him, he is doing this because he wants to and could have just said im done with this mod thank you for using it and abandon the mod so please be patient we don't want him to abandon the mod now do we?