Lava and cacti present a threat in hot regions, but what about cold regions? It would be interesting if a new type of water - frigid - spawned in cold regions and had some adverse effect(s) on players. Potential effects include damage over time, slowness, and faster oxygen deprivation when submerged.
Or, rather than a new block being created, this effect/these effects were applied to players in any body of water at or below a certain temperature threshold.

• TFC Version: 0.26.4.95 (at time of writing).
• This would be an enhancement for TFC alone.

From the enhancement issue template, this is better suited to discord discussion.

Suggest an enhancement or small new feature. This is NOT for new mechanics, those should be discussed in our discord.