Excitement!  That's the best description on it.  How about some pepper, chili, spice and herbs?  No doubt, this could be something full of surprise (on the good side).  It can be devastating if one falls into the trap of failure.

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"a feeling of being excited, or an exciting event:

Robin's heart was pounding with excitement.
If you want excitement, you should try parachuting.
the excitements of the previous day

More examples

I ski for the excitement, but I'm also always aware of the risks.
Minelli is a born performer - she loves the excitement and she loves the adulation.
The children were jumping up and down with excitement.
A buzz of excitement went through the audience as he came on stage.
The excitement of starting a new job is always mingled with a certain apprehension."

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(Cambridge University Press 2018, https://dictionary.cambridge.org/dictionary/english/excitement)

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