You must have RUINED SIGN and MUTATED SEED to make ZOMBIE SIGN. ZOMBIE SIGN belongs to category. Do not have caffeine after planting this one... It is going to take awhile. Breaking this block will give you 7 experience points. How many times you need to hit it? Head to the wiki for more info: <a href="https://growtopia.fandom.com/wiki/Zombie_Sign">zombie sign</a> You get at least 1 seed back (maybe more!) from splicing ZOMBIE SIGN. Gemratio of ZOMBIE SIGN is a mystery. Maybe you can check the wiki for <a href="https://growtopia.fandom.com/wiki/Zombie_Sign">zombie sign</a> Blockratio of ZOMBIE SIGN is a mystery. Maybe you can check the wiki for <a href="https://growtopia.fandom.com/wiki/Zombie_Sign">zombie sign</a>