Depending on your version you could make one of the redstone obsidian generators which doesn't use any lava or you could pump lava into a buildcraft floodgate to place the lava blocks.
Did u think about adding Iguana Tweaks to the pack? Would help allow for tool tier to growth as the player progresses.
Also, Funky Locomotion would be awesome for a sky base challenge.
In-Game Name: cata3rd
What are you looking for in the server? A fun and active community that lasts without burning out like so many have
How long have you been playing Minecraft? Since 1.2.5
What experience do you have with Modded MC? My experience dates back to the 1.2.5 days with tekkit and...
Username : cata3rd
Age: 16
Location: East Coast US
Why you want to join: Looking for a good whitelisted server with a community that doesn't die off after the first few months.
Suggestions: None
Plugin Suggestions (optional) None
How much experience do you have in Ultimate? don't worry if you...